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Hypophosphorous acid technical grade, also known as phosphinic acid.
Hypophosphorous acid technical grade participates as a reducing agent for the conversion of aromatic and aliphatic diselenides to the corresponding selenols.
Hypophosphorous acid technical grade, or phosphinic acid, is a phosphorus oxyacid and a powerful reducing agent with molecular formula HO2P.
CAS Number: 6303-21-5
Molecular Formula: HO2P
Molecular Weight: 63.980501
EINECS Number: 228-601-5
Synonyms: 14097-15-5, phosphenous acid, Hypophosphite ion, Phosphinate, Hypophosphorus acid, hydroxyphosphanone, Phosphine oxide, hydroxy-, Phosphinic acid, ion(1-), 15460-68-1, HOPO, UNII-238U65NZ04, DTXSID4043808, NSC-41904, 238U65NZ04, 68412-69-1, UNII-6A37X7BT86, EINECS 270-204-4, EINECS 270-206-5, hydroxidooxidophosphorus, dihydridodioxophosphate(1-), dihydridodioxidophosphate(1-), [P(O)OH], CHEMBL2105054, DTXCID2023808, CHEBI:29198, CHEBI:36363, DTXSID50165673, HYPOPHOSPHOROUS ACID [MI], ACVYVLVWPXVTIT-UHFFFAOYSA-M, GQZXNSPRSGFJLY-UHFFFAOYSA-N, 6A37X7BT86, NSC41904, PH2O2(-), HYPOPHOSPHOROUS ACID [WHO-DD], Hypophosphorous Acid, Phosphinic Acid, PH2O2, FT-0626449, Phosphinic acid, for synthesis, 49.5-50.5%, J-521481, Q3305467, Q27116796, Q27117120, Phosphinic acid, puriss. p.a., 49.5-50.5% (alkalimetric), Phosphinic acid, puriss., meets analytical specification of NF, 30-32
Hypophosphorous acid technical grade is a colorless low-melting compound, which is soluble in water, dioxane and alcohols.
The formula for Hypophosphorous acid technical grade is generally written HO2P, but a more descriptive presentation is HOP(O)H2 which highlights its monoprotic character.
Salts derived from this acid are called phosphinates (hypophosphites).
Hypophosphorous acid technical grade is an inorganic compound, and its technical grade typically refers to a product that is not of the highest purity.
Hypophosphorous acid technical grade chemicals may contain impurities or have variations in composition compared to higher-grade, more pure forms.
The Hypophosphorous acid technical grade is suitable for certain applications where high purity is not critical.
This acid has the general formula ofH4P2O6 and differs from the other oxy-phosphorous acids.
Hypophosphorous acid technical grade has many peculiarities.
Hypophosphorous acid technical grade is formed along with phosphorous and phosphoric acids, when phosphorus is oxidized by moist air.
If white phosphorus is exposed to air, and sodium acetate is addedto the liquidwhich forms, the somewhat insoluble Hypophosphorous acid technical grade.
The sodium hypophosphate monohydrate, however, is very soluble and deliquescent at ～98.7 g/100 ml.
Hypophosphorous acid technical grade undergoes oxidation in the presence of Ce(IV) and a strong acid to afford cerium(IV) hypophosphite complex ions.
Hypophosphorous acid technical grade is a phosphorus oxoacid and a powerful reducing agent.
Inorganic chemists refer to the free acid by this name (also as "HPA") although its official IUPAC name is phosphinic acid.
Hypophosphorous acid technical grade is a colorless low-melting compound, which is soluble in water, dioxane, and alcohols.
Hypophosphorous acid technical grade is generally written H3PO2, but a more descriptive presentation is HOP(O)H2 which highlights its monoprotic character.
Salts derived from this acid are called hypophosphites.
HOP(O)H2 exists in equilibrium with the minor tautomer HP(OH)2.
Sometimes the minor tautomer is called Hypophosphorous acid technical grade and the major tautomer is called phosphinic acid.
Hypophosphorous acid technical grade is also known as "hypophosphite" It is colorless oil or deliquescence crystal , it is an important fine chemical product.
The main use is as reducing agent for electroless plating, phosphoric prevent discoloration of resins, it can also be used in the esterification reaction catalyst, the refrigerant, in particular for the production of high purity product sodium hypophosphite.
There are several methods for preparation, the common industrial method for producing is ion exchange resin method and electrodialysis method.
Hypophosphorous acid technical grade colorless deliquescent crystals or oily liquid; sour odor; density 1.493 g/cm3;melts at 26.5°C; boils at 130°C; very soluble in water, alcohol and ether; den-sity of a 50% aqueous solution is 1.13 g/mL.
Hypophosphorous acid technical grade is a colorless, odorless liquid at room temperature and is typically found in a solution form.
Hypophosphorous acid technical grade exists in equilibrium with the minor tautomer HP(OH)2.
Sometimes the minor tautomer is called Hypophosphorous acid technical grade and the major tautomer is called phosphinic acid.
Hypophosphorous acid technical grade is a mineral acid with phosphorus in an oxidation state of +4.
In the solid-state, Hypophosphorous acid technical grade exists as a dihydrate, H4P2O6.2H2O.
Hypophosphorous acid technical grade can be manufactured by reacting red phosphorus with sodium chlorite at room temperature.
Hypophosphorous acid technical grade has strong reduction, heavy metal salt solution can be restored to metals such as Cu2 +, Hg2 +, Ag +, such as: 4Ag+H3PO2+2H2)=4Ag+H3PO4+4H+.
Hypophosphorous acid technical grade is weak oxidizer, it can be reduced to phosphine, phosphine when encounters strong reducing agent.
The molecule displays P(═O)H to P–OH tautomerism similar to that of phosphorous acid; the P(═O) form is strongly favoured.
In this short piece of article, let us discuss the Hypophosphorous acid technical grade formula along with its chemical structure, properties and uses.
Hypophosphorous acid technical grade is a powerful reducing agent with a molecular formula of HO2P.
Hypophosphorous acid technical grade appears as colorless oily liquid or deliquescent crystals with a sour odor.
Inhalation of vapors irritates or burns the respiratory tract.
Hypophosphorous acid technical grade liquid and vapors may irritate or burn eyes and skin.
Hypophosphorous acid technical grade, a monobasic oxyacid, is also referred to as phosphinic acid.
Hypophosphorous acid technical grade participates as a reducing agent for the conversion of aromatic and aliphatic diselenides to the corresponding selenols.
Hypophosphorous acid technical grade undergoes oxidation in the presence of Ce(IV) and a strong acid to afford cerium(IV) hypophosphite complex ions.
Hypophosphorous acid technical grade, 30 Percent (w/v) Solution (DEA List I Chemical) - Ungraded products supplied by Spectrum are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use.
Hypophosphorous acid technical grade, also known as Phosphinic Acid, is an inorganic compound.
Hypophosphorous acid technical grade is a colourless, hygroscopic, crystalline solid, which is moderately soluble in water.
Hypophosphorous acid technical grade, or phosphinic acid, is a phosphorus oxyacid and a powerful reducing agent with molecular formula H3PO2.
Hypophosphorous acid technical grade is a colorless low-melting compound, which is soluble in water, dioxane and alcohols.
Hypophosphorous acid technical grade, but a more descriptive presentation is HOP(O)H2, which highlights its monoprotic character.
Hypophosphorous acid technical grade exists in equilibrium with the minor tautomer HP(OH)2.
Sometimes the minor tautomer is called Hypophosphorous acid technical grade and the major tautomer is called phosphinic acid.
Hypophosphorous acid technical grade is a colorless low-melting compound, which is soluble in water, dioxane, and alcohols.
A Hypophosphorous acid technical grade that consists of a single pentavalent phosphorus covalently bound via single bonds to two hydrogens and a hydroxy group and via a double bond to an oxygen.
The parent of the class of Hypophosphorous acid technical grade.
Hypophosphorous acid technical grade appears as colorless oily liquid or deliquescent crystals with a sour odor.
Inhalation of vapors irritates or burns the respiratory tract.
Hypophosphorous acid technical grade is miscible with water in all proportions and a commercial strength is 30% HO2P.
Hypophosphorous acid technical grade are used in medicine.
Hypophosphorous acid technical grade is a powerful reducing agent, e.g., with copper sulfate forms cuprous hydride Cu2H2, brown precipitate, which evolves hydrogen gas and leaves copper on warming; with silver nitrate yields finely divided silver; with sulfurous acid yields sulfur and some hydrogen sulfide; with sulfuric acid yields sulfurous acid, which reacts as above; forms manganous immediately with permanganate.
Hypophosphorous acid technical grade also known as phosphonic acid is a phosphorous oxoacid and also acts as a good reducing agent.
Hypophosphorous acid technical grade is basically a colourless aqueous solution that is soluble in water, dioxin as well as in alcohol.
The Hypophosphorous acid technical grade formula which is the same for phosphinic acid formula is H3PO2 is a neutral molecule with no spare charge on it.
Thus the oxidation number of the central atom phosphorus is +1 which can be described as follows.
Hypophosphorous acid technical grade is a white crystalline solid.
Hypophosphorous acid technical grade is a monobasic acid forming the anion H2PO2 – in water.
Hypophosphorous acid technical grade is involved in the reduction of arenediazonium salts.
Hypophosphorous acid technical grade acts as an additive in Fischer esterification reactions.
Hypophosphorous acid technical grade is a colorless liquid, soluble in water, ethanol and diethyl ether.
Hypophosphorous acid technical grade is a strong reducing agent.
Hypophosphorous acid technical grade gets easily oxidized.
Heated to 130℃, it breaks into phosphorous acid and phosphine.
Hypophosphorous acid technical grade reacts explosively with oxidant.
Also, Hypophosphorous acid technical grade serves as a neutralizing agent, antioxidant, catalyst in polymerization and poly condensation, and wetting agent.
Hypophosphorous acid technical grade is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment and retrieval of precious or non-ferrous metals.
In addition to this, Hypophosphorous acid technical grade is used as bleaching agents for plastics, synthetic fibers, decolorizing agent and for color stabilization during the manufacture of chemicals and several plastics.
Hypophosphorous acid technical grade has the differs from the other oxy-phosphorous acids.
Hypophosphorous acid technical grade has many peculiarities.
Hypophosphorous acid technical grade is formed along with phosphorous and phosphoric acids, when phosphorus is oxidized by moist air.
If white phosphorus is exposed to air, and sodium acetate is addedto the liquidwhich forms, the somewhat insoluble sodium hypophosphate,Na2H2P2O6·6H2Oseparates.
The sodium hypophosphate monohydrate, however, is very soluble and deliquescent at ～98.7 g/100 ml.
Hypophosphorous acid technical grade is deliquescent crystals or colorless oil.
Hypophosphorous acid technical grade is soluble in water, ethanol and ether, and it can be mixed in any proportion with water, ethanol, acetone.
In the air, Hypophosphorous acid technical grade easily deliquesce to syrupy liquid, and the aqueous solution is acidic.
Hypophosphorous acid technical grade is monobasic acid, in aqueous solution, Hypophosphorous acid is strong acid, Ka = 10-2 (25℃); it is relatively stable at room temperature; disproportionation reaction can proceed at 130℃, decompose into phosphine and phosphorous acid: 2H3PO2=H3PO4+PH3
Hypophosphorous acid technical grade, 30 Percent (w/v) Solution (DEA List I Chemical) - Spectrum solutions utilize the highest quality raw materials appropriate to your product.
Most raw materials meet or exceed the specifications established by the American Chemical Society.
Where appropriate, many finished products are traceable to NIST Standard Reference Materials.
Manufacturing, quality control testing, and packaging are all performed in Spectrum's own facilities.
Record keeping and sample retention of all produced lots ensure product consistency and complete traceability.
Hypophosphorous acid technical grade is colorless crystalline, hygroscopic, deliquescent, cautic.
Hypophosphorous acid technical grade is soluble in water and alcohol, slowly oxidized to orthophosphoric acid in air and decomposes to orthophosphoric acid and phosphine if heated to 180°C.
In organic chemistry, Hypophosphorous acid technical grade can be used for the reduction of arenediazonium salts, converting ArN+2 to Ar–H.
When diazotized in a concentrated solution of Hypophosphorous acid technical grade, an amine substituent can be removed from arenes.
Owing to its ability to function as a mild reducing agent and oxygen scavenger it is sometimes used as an additive in Fischer esterification reactions, where it prevents the formation of colored impurities.
Hypophosphorous acid technical grade is used to prepare phosphinic acid derivatives.
Most metal-hypophosphite complexes are unstable, owing to the tendency of hypophosphites to reduce metal cations back into the bulk metal.
Some examples have been characterised, including the important nickel salt [Ni(H2O)6](H2PO2)2.
Hypophosphorous acid technical grade can reduce elemental iodine to form hydroiodic acid, which is a reagent effective for reducing ephedrine or pseudoephedrine to methamphetamine, the United States Drug Enforcement Administration designated Hypophosphorous acid technical grade (and its salts) as a List I precursor chemical effective November 16, 2001.
Accordingly, handlers of hypophosphorous acid or its salts in the United States are subject to stringent regulatory controls including registration, recordkeeping, reporting, and import/export requirements pursuant to the Controlled Substances Act and 21 CFR §§ 1309 and 1310.
Hypophosphorous acid technical grade is deliquescent crystals or colorless oil. Melting point: 26.5℃.
The relative density (specific gravity): 1.439 (solid, 19℃).
Hypophosphorous acid technical grade is soluble in water, ethanol and ether, and it can be mixed in any proportion with water, ethanol, acetone.
In the air, it easily deliquesce to syrupy liquid, and the aqueous solution is acidic.
Hypophosphorous acid technical grade is monobasic acid, in aqueous solution, Hypophosphorous acid is strong acid, Ka = 10-2 (25℃); it is relatively stable at room temperature; disproportionation reaction can proceed at 130℃, decompose into phosphine and phosphorous acid: 2H3PO2=H3PO4+PH3
Hypophosphorous acid technical grade has strong reduction, heavy metal salt solution can be restored to metals such as Cu2 +, Hg2 +, Ag +, such as: 4Ag+H3PO2+2H2)=4Ag+H3PO4+4H+
Hypophosphorous acid technical grade is weak oxidizer, it can be reduced to phosphine, phosphine when encounters strong reducing agent.
Hypophosphorous acid technical grade is a weak acid composed of phosphorous and hydrogen.
Hypophosphorous acid technical grade is an important chemical intermediate in organic synthesis and is used in a variety of industrial applications.
Hypophosphorous acid technical grade is also known as phosphinic acid and is a colorless, odorless liquid with a melting point of -31°C.
Hypophosphorous acid technical grade was first prepared in 1816 by the French chemist Pierre Louis Dulong (1785–1838).
The acid is prepared industrially via a two step process: Firstly, elemental white phosphorus reacts with alkali and alkaline earth hydroxides to give an aqueous solution of hypophosphites:
P4 + 4 OH− + 4 H2O → 4 H2PO−2 + 2 H2
Any phosphites produced in this step can be selectively precipitated out by treatment with calcium salts.
The purified material is then treated with a strong, non-oxidizing acid (often sulfuric acid) to give the free hypophosphorous acid: H2PO−2 + H+ → H3PO2HPA is usually supplied as a 50% aqueous solution.
Anhydrous acid cannot be obtained by simple evaporation of the water, as the acid readily oxidises to phosphorous acid and phosphoric acid and also disproportionates to phosphorous acid and phosphine.
Pure anhydrous Hypophosphorous acid technical grade can be formed by the continuous extraction of aqueous solutions with diethyl ether.
The molecule displays P(═O)H to P–OH tautomerism similar to that of phosphorous acid; the P(═O) form is strongly favoured.
Hypophosphorous acid technical grade is usually supplied as a 50% aqueous solution and heating at low temperatures (up to about 90°C) prompts it to react with water to form phosphorous acid and hydrogen gas.
H3PO2 + H2O → H3PO3 + H2
Heating above 110°C causes hypophosphorous acid to undergo disproportionation to give phosphorous acid and phosphine.
Hypophosphorous acid technical grade also known as phosphonic acid is a phosphorous oxoacid and also acts as a good reducing agent.
Hypophosphorous acid technical grade is basically a colourless aqueous solution that is soluble in water, dioxin as well as in alcohol.
The hypophosphorous acid formula which is the same for phosphinic acid formula is H3PO2 is a neutral molecule with no spare charge on it.
Thus the oxidation number of the central atom phosphorus is +1 which can be described as follows.
Inorganic chemists refer to the free acid by this name although its IUPAC name is dihydridohydroxidooxidophosphorus, or the acceptable name of phosphinic acid.
The main use Hypophosphorous acid technical grade is as reducing agent for electroless plating, phosphoric prevent discoloration of resins, it can also be used in the esterification reaction catalyst, the refrigerant, in particular for the production of high purity product sodium hypophosphite.
There are several methods for preparation, the common industrial method for producing is ion exchange resin method and electrodialysis method.
The formula for Hypophosphorous acid technical grade is generally written H3PO2, but a more descriptive presentation is HOP(O)H2, which highlights its monoprotic character.
Hypophosphorous acid technical grade is a phosphorus oxyacid and is structurally similar to phosphoric acid (H3PO4) but has one less oxygen atom.
The chemical structure of Hypophosphorous acid technical grade consists of a central phosphorus atom bonded to three hydrogen atoms and one hydroxyl group (-OH).
Hypophosphorous acid technical grade is also known as "hypophosphite" It is colorless oil or deliquescence crystal, it is an important fine chemical product.
Hypophosphorous acid technical grade is a powerful reducing agent with a molecular formula of HO2P.
Hypophosphorous acid technical grade, a monobasic oxyacid, is also referred to as phosphinic acid.
Melting point: -25 °C
Boiling point: 108 °C (759.8513 mmHg)
Density: 1.206 g/mL at 20 °C(lit.)
vapor pressure: <17 mmHg ( 20 °C)
storage temp.: no restrictions.
pka: pK1 1.1.
form: hygroscopic crystals or colorless oily liquid
color: Colorless
Water Solubility: SOLUBLE
Merck: 13,4894
Stability: Stable. Incompatible with strong bases. Reacts violently with oxidizing agents, strong bases, mercury (II) nitrate and mercury (II) oxide. Do not heat above 100 C.
Hypophosphorous acid technical grade can be synthesized from phosphorous acid and hydrogen peroxide, or from phosphorous pentoxide and water.
Hypophosphorous acid technical grade can also be produced by the reaction of phosphorus with sulfuric acid or by the oxidation of phosphite.
The most common method for the synthesis of Hypophosphorous acid technical grade is the reaction of phosphorus with sulfuric acid.
This reaction produces a solution of Hypophosphorous acid technical grade and phosphoric acid.
Hypophosphorous acid technical grade is also known as hydrogen phosphite because of its chemical structure, which includes the hydrogen ion (H+) bonded to the phosphite ion (H2PO2-).
The term "hypophosphorous" refers to the fact that it has one less oxygen atom than phosphorous acid (H3PO3).
Hypophosphorous acid technical grade is compatible with certain metals and is often used for metal surface treatments and electroless plating.
Hypophosphorous acid technical grade can provide a uniform and adherent metal coating on surfaces, which is valuable in applications such as printed circuit board (PCB) manufacturing.
Hypophosphorous acid technical grade is widely used in industries that require precision metal deposition, such as the electronics industry for making electrical connections and in the automotive industry for coating parts to improve their corrosion resistance.
Hypophosphorous acid technical grade participates in redox (reduction-oxidation) reactions, where it can donate electrons to other substances.
Hypophosphorous acid technical grade can act as a reducing agent, helping to convert higher-valence metal ions to lower-valence states.
This property is valuable in a variety of chemical transformations.
Hypophosphorous acid technical grade can react with atmospheric oxygen over time, leading to the formation of phosphoric acid (H3PO4) and water.
Therefore, Hypophosphorous acid technical grade should be stored in airtight containers to minimize this decomposition.
Hypophosphorous acid technical grade finds applications in analytical chemistry for its ability to stabilize certain compounds and act as a reducing agent in various analytical methods, such as in the determination of various metals in complex samples.
Hypophosphorous acid technical grade is commercially available in various concentrations, often as an aqueous solution.
Hypophosphorous acid technical grade can be written as H3PO2, which represents its molecular formula, indicating the presence of three hydrogen atoms, one phosphorus atom, and two oxygen atoms.
Hypophosphorous acid technical grade is formed by reaction of barium hypophosphite and sulfuric acid, and filtering off barium sulfate.
By evaporation of the solution in vacuum at 80 °C, and then cooling to 0°C, Hypophosphorous acid technical grade crystallizes.
Hypophosphorous acid technical grade is used in a variety of scientific research applications.
Hypophosphorous acid technical grade is used in organic synthesis as a reagent for the preparation of a wide range of organic compounds.
Hypophosphorous acid technical grade is also used as a catalyst in the synthesis of polymers and other materials.
Hypophosphorous acid technical grade has also been used in the preparation of pharmaceuticals, especially in the synthesis of antibiotics.
In addition, Hypophosphorous acid technical grade is used in the synthesis of dyes, pigments, and other materials.
Hypophosphorous acid technical grade has been studied for its biochemical and physiological effects.
In animal studies, Hypophosphorous acid technical grade has been shown to have anti-inflammatory, anti-oxidant, and anti-tumor properties.
Hypophosphorous acid technical grade has also been shown to have an effect on the immune system, as it has been found to increase the production of interferon gamma, a cytokine involved in the regulation of the immune system.
Hypophosphorous acid technical grade has several advantages for use in laboratory experiments.
The concentration can range from relatively dilute solutions to more concentrated forms, depending on the intended application.
Hypophosphorous acid technical grade is a relatively inexpensive reagent, and it is widely available.
Hypophosphorous acid technical grade is also relatively stable and has a low toxicity.
Hypophosphorous acid technical grade could be used in the synthesis of new pharmaceuticals, dyes, and pigments.
Hypophosphorous acid technical grade could also be used in the development of new materials, such as polymers and nanomaterials.
Hypophosphorous acid technical grade could also be used in the development of new catalysts for organic synthesis.
Finally, Hypophosphorous acid technical grade could be used in the development of new biotechnologies, such as gene editing and gene therapy.
However, there are some limitations to its use in laboratory experiments.
Hypophosphorous acid technical grade is a strong acid and can be corrosive, so it must be handled with care.
Hypophosphorous acid technical grade is also a highly reactive reagent and can react with other compounds, so it must be used with caution.
There are several potential future directions for the use of Hypophosphorous acid technical grade.
Hypophosphorous acid technical grade is also known as phosphinic acid, hydroxy-phosphane, oxo-phosphinous acid, and oxo-phosphanol.
Hypophosphorous acid technical grade is a hydroxy phosphine oxide, having monobasic character.
Hypophosphorous acid technical grade has a low-melting point and colorless compound, which is highly soluble in alcohol, dioxane, and water.
Hypophosphorous acid technical grade is majorly manufactured from sodium hypophosphite.
Hypophosphorous acid technical grade is used as a reducing agent to reduce copper, mercury, and silver, and to verify impurities such as niobium, arsenic, and tantalum.
Hypophosphorous acid technical grade is also used as a catalyst during esterification reactions in medicines.
Hypophosphorous acid technical grade is used as a decolorizing or bleaching agent in the paint & coating industry.
Hypophosphorous acid technical grade is also used for reducing arene-diazonium salts.
However, Hypophosphorous acid technical grade can penetrate the eyes and skin and cause blisters and inflammation upon contact.
Thus, due to the health risks associated with Hypophosphorous acid technical grade, its production and consumption is expected to be limited, restraining the growth of the market during the forecast period.
Phosphorus and barium hydroxide solution is heated, barium salt Ba (H2PO2) 2 • 2H2O can generate, sulfuric acid is added into Hypophosphorous acid technical grade barium solution, Ba2+ can precipitate: Ba(H2PO2)2+H2SO4=BaSO4+2H3PO2
Hypophosphorous acid can be obtained by evaporating under reduced pressure and low temperature crystallization.
Due to in this process, the solubility of the barium salt is small, so the concentration of obtained Hypophosphorous acid technical grade is not high, industrial product should be purified by recrystallization.
The barium oxide (or lime) and solution of white phosphorus is heated together to form secondary barium phosphate (or calcium), and then reacts with sulfuric acid, it is filtered, concentrated to obtain product, or sodium hypophosphite solution proceeds H-type ion exchange resin can derive product.
This method requires a large amount of resin, and resin regeneration and washing step is cumbersome, it generally costs more than $ 7 per pound, it is only suitable for small batch production, and not suitable for large-scale industrial applications.
Hypophosphorous acid technical grade is prepared by electrodialysis method, wherein the electrodialysis cell divides into three parts, they are anode chamber, raw material chamber and cathode chamber, the intermediate is separated by anionic membrane and cationic membrane, between two membranes sodium hypophosphite solution is placed (concentration of 100g/L~500g/L), anode chamber is dilute solution of Hypophosphorous acid technical grade 5g/L, anode chamber is dilute sodium hydroxide solution ( 5g /L), between the poles DC (3V~36V) is passed, anode releases oxygen, and generates secondary product of Hypophosphorous acid technical grade; cathode emits hydrogen, and generates secondary product of sodium hydroxide, the reaction time is 3~21h.
The reactions of anode chamber and cathode chamber are as follows: anode chamber: H2O==H++OH-2OH-==O2+2H2O+4eH++H2PO2-==H3PO2
cathode chamber: H2O==H++OH-2H++2e==H2Na++OH-==NaOH
Electrodialysis method of preparation Hypophosphorous acid technical grade is simple and equipment investment is small, it is suitable for mass production.
Starting from the industrial grade sodium hypophosphite, Cl-, SO42-anions which affect the quality indicators of Hypophosphorous acid technical grade are removed by precipitation, heavy metal ions are removed from the solution by forming sulfide, and then using strong acid cation exchange resin to obtain sodium secondary phosphate, high purity grade product can obtain.
The process can produce high-grade secondary phosphate, technically is feasible, the process is simple, easy operation, good product quality, it can meet the needs of the electronics industry, defense industry and other high-tech fields.
Production Process of Hypophosphorous acid technical grade from Industrial Sodium Hypophosphite.
Ion exchange resin method: about 70g of cation exchange resin wetted with water is packed into a glass tube with 5 mol/L hydrochloric acid circulating about 15min, after thoroughly washed with water, high purity aqueous sodium hypophosphite aqueous solution (15 g/60 ml H2O) flows through it, the resin column is first washed with 50 ml, then with 25 rnl distilled water.
The above method may be considered safer than that involving heating whitephosphorus with an alkali.
Hypophosphorous acid technical grade must be stored below 50°C.
Hypophosphorous acid technical grade is sold commerciallyas an aqueous solution at various concentrations.
Ion exchange resin method: put about 70 g water-soluble cation exchange resins to fill into a glass tube.
Circulate with 5 mol/L hydrochloric acid for about 15 min and wash sufficiently with water.
Have a high aqueous sodium hypophosphite solution (15 g/60 ml H2O) to flow through the resin column, followed by being washed first with 50 ml water, and then rinsing with 25 rnl distilled water.
The effluent acid and the washings were combined and concentrated by evaporation on a water bath.
The concentrated acid is send to the highly vacuum, P205 dryer for dehydration, followed by cooling crystallization, filtration and recrystallization to obtain the finished product of hypophosphorous acid.
Hypophosphorous acid technical grade is formed by reaction of barium hypophosphite and sulfuric acid, and filtering off barium sulfate.
By evaporation of the solution in vacuum at 80 °C, and then cooling to 0°C, Hypophosphorous acid technical grade crystallizes.
A phosphorus oxoacid that consists of a single pentavalent phosphorus covalently bound via single bonds to two hydrogens and a hydroxy group and via a double bond to an oxygen.
The parent of the class of phosphinic acids.
Hypophosphorous acid technical grade a white crystalline solid.
Hypophosphorous acid technical grade is a monobasic acid forming the anion H2PO2 – in water.
The sodium salt, and hence the acid, can be prepared by heating yellow phosphorus with sodium hydroxide solution.
The free acid and its salts are powerful reducing agents.
Hypophosphorous acid technical grade is miscible with water in all proportions and a commercial strength is 30% H3PO2.
Hypophosphites are used in medicine.
Hypophosphorous acid technical grade is a powerful reducing agent, e.g., with copper sulfate forms cuprous hydride Cu2H2, brown precipitate, which evolves hydrogen gas and leaves copper on warming; with silver nitrate yields finely divided silver; with sulfurous acid yields sulfur and some hydrogen sulfide; with sulfuric acid yields sulfurous acid, which reacts as above; forms manganous immediately with permanganate.
Hypophosphorous acid technical grade are used to reduce metal salts back into bulk metals.
Hypophosphorous acid technical grade is effective for various transition metals ions (i.e. those of: Co, Cu, Ag, Mn, Pt) but is most commonly used to reduce nickel.
This forms the basis of electroless nickel plating (Ni–P), which is the single largest industrial application of hypophosphites.
For this application it is principally used as a salt (sodium hypophosphite).
Hypophosphorous acid technical grade a white to yellowish crystalline powder.
Hypophosphorous acid technical grade is used in chemical reactions as a reducing agent
Uses:
Hypophosphorous acid technical grade is used in medicine and as reducing agent, the determination of arsenic, tellurium and separation of tantalum, niobium and other reagents.
Hypophosphorous acid technical grade is strong reducing agent, It can be used for the preparation of sodium hypophosphite, calcium phosphate and other hypophosphite.
Hypophosphorous acid technical grade can be used for the plating bath, Pharmaceuticals, reducing agent, general reagents.
Hypophosphorous acid technical grade is strong reducing agent, it can be used in making sodium hypophosphite, calcium phosphate and other hypophosphite.
Hypophosphorous acid technical grade is widely used as reducing agent, Ag, Cu, Ni, Hg and other metals are reduced to the corresponding metal, for the verification of As, Nb, Ta and other reagents, it can be used for the preparation of Na, K, Ca, Mn, Fe and other types of hypophosphite.
Hypophosphorous acid technical grade is used as esterification catalyst, the refrigerant;
Hypophosphorous acid technical grade is used to produce hypophosphite, sodium salts, manganese salts, iron salts are generally used as nourishing substances;
Hypophosphorous acid technical grade is used in medicine and as reducing agent, the determination of arsenic, tellurium and separation of tantalum, niobium and other reagents.
Hypophosphorous acid technical grade is strong reducing agent, It can be used for the preparation of sodium hypophosphite, calcium phosphate and other hypophosphite.
Hypophosphorous acid technical grade can be used for the plating bath. Pharmaceuticals. reducing agent. general reagents.
Hypophosphorous acid technical grade is strong reducing agent, it can be used in making sodium hypophosphite, calcium phosphate and other hypophosphite.
Hypophosphorous acid technical grade is widely used as reducing agent, Ag, Cu, Ni, Hg and other metals are reduced to the corresponding metal, for the verification of As, Nb, Ta and other reagents, it can be used for the preparation of Na, K, Ca, Mn, Fe and other types of hypophosphite.
Hypophosphorous acid technical grade is primarily used for electroless nickel plating.
Hypophosphorous acid technical grade is involved in the reduction of arenediazonium salts.
Hypophosphorous acid technical grade acts as an additive in Fischer esterification reactions.
Hypophosphorous acid technical grade serves as a neutralizing agent, antioxidant, catalyst in polymerization and poly condensation, and wetting agent.
Hypophosphorous acid technical grade is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment and retrieval of precious or non-ferrous metals.
In addition to this, Hypophosphorous acid technical grade is used as bleaching agents for plastics, synthetic fibers, decolorizing agent and for color stabilization during the manufacture of chemicals and several plastics.
Hypophosphorous acid technical grade are used to reduce metal salts back into bulk metals.
Hypophosphorous acid technical grade is effective for various transition metals ions (i.e. those of: Co, Cu, Ag, Mn, Pt) but is most commonly used to reduce nickel.
This forms the basis of electroless nickel plating (Ni–P), which is the single largest industrial application of hypophosphites.
For this application Hypophosphorous acid technical grade is principally used as a salt (sodium hypophosphite).
Hypophosphorous acid technical grade is effective for various transition metals ions (i.e. those of: Co, Cu, Ag, Mn, Pt) but is most commonly used to reduce nickel.
Hypophosphorous acid technical grade can reduce metal ions from higher oxidation states to lower oxidation states, making it valuable in processes involving the purification of metals, metal recovery from solutions, and the synthesis of metal complexes.
Hypophosphorous acid technical grade is commonly used as a reducing agent in various chemical processes.
Hypophosphorous acid technical grade can reduce metal ions to their elemental states.
Hypophosphorous acid technical grade is a key component in electroless nickel plating baths, where it helps to reduce metal ions and facilitate the deposition of metal coatings on surfaces.
Hypophosphorous acid technical grade is used in the textile industry for bleaching and reducing agents in the manufacture of certain dyes.
Hypophosphorous acid technical grade may be used in water treatment processes.
Hypophosphorous acid technical grade is used in the synthesis of certain organic compounds.
In organic and inorganic synthesis, Hypophosphorous acid technical grade is used to reduce or stabilize certain compounds.
Hypophosphorous acid technical grade can be a component in the synthesis of various chemicals, including pharmaceuticals.
Hypophosphorous acid technical grade is utilized in analytical chemistry techniques.
Hypophosphorous acid technical grade can reduce metal ions to facilitate their detection and quantification, particularly in colorimetric and titrimetric analysis methods.
Hypophosphorous acid technical grade is used as a reducing agent in the production of certain polymers, such as polyamides (commonly known as nylon) and polyurethanes.
Hypophosphorous acid technical grade was used as a reducing agent to stabilize and develop photographs.
Hypophosphorous acid technical grade can be used in chemical etching processes to selectively remove metal layers from surfaces, leaving behind desired patterns or designs.
Hypophosphorous acid technical grade and its salts can serve as catalysts in various chemical reactions, including hydrogenation and dehydrogenation reactions.
Hypophosphorous acid technical grade is used in some dyeing and printing processes in the textile industry.
Hypophosphorous acid technical grade is primarily used for electroless nickel plating.
Hypophosphorous acid technical grade is involved in the reduction of arenediazonium salts.
Hypophosphorous acid technical grade acts as an additive in Fischer esterification reactions.
Also, it serves as a neutralizing agent, antioxidant, catalyst in polymerization and poly condensation, and wetting agent.
Hypophosphorous acid technical grade is widely used as a reducing agent in chemical processes.
Hypophosphorous acid technical grade can effectively reduce metal ions to their elemental states.
Hypophosphorous acid technical grade is a key component in electroless nickel plating baths.
The acid acts as a reducing agent, facilitating the deposition of a thin, uniform layer of nickel on surfaces without the need for an external power source.
Hypophosphorous acid technical grade is used in the textile industry as a reducing agent and bleaching agent in the production of certain dyes and fabrics.
In some cases, Hypophosphorous acid technical grade is employed in water treatment processes for its reducing properties.
Hypophosphorous acid technical grade is used in the synthesis of various organic compounds, including pharmaceutical intermediates.
Hypophosphorous acid technical grade is utilized in the photographic industry for the production of certain photographic chemicals.
Hypophosphorous acid technical grade is employed in the synthesis of specialty chemicals and intermediates.
Hypophosphorous acid technical grade is used as a catalyst in certain chemical reactions.
Hypophosphorous acid technical grade is involved in polymerization reactions and the production of polymers.
Hypophosphorous acid technical grade may be used in analytical chemistry for specific reducing reactions.
This forms the basis of electroless nickel plating (Ni–P), which is the single largest industrial application of hypophosphites.
For this application Hypophosphorous acid technical grade is principally used as a salt (sodium hypophosphite).
One of the primary applications of Hypophosphorous acid technical grade is in electroless plating, where it is used to deposit metal coatings (typically nickel) onto various surfaces without the need for an external electrical current.
This process is crucial in industries like electronics, where Hypophosphorous acid technical grade is used for PCB manufacturing, and in the automotive industry for coating components with corrosion-resistant metal layers.
Hypophosphorous acid technical grade is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment, retrieval of precious or non-ferrous metals.
Hypophosphorous acid technical grade is main use is for electroless plating, i.e. deposition of metal films from solution.
In organic chemistry, H3PO2 best known for their use in the reduction of arenediazonium salts, converting ArN2+ to Ar-H.
When diazotized in a concentrated solution of Hypophosphorous acid technical grade, an amine substituent can be removed from arenes, selectively over alkyl amines.
Hypophosphorous acid technical grade is employed in water treatment to remove dissolved oxygen from water.
Hypophosphorous acid technical grade can be used as the raw material of phosphate and phosphonate, reductive agent, nylon whitening agent and anti-oxidant, stablizer for plastics, organo-phosphorus pesticide intermediate and chemical reagent.
Hypophosphorous acid technical grade can also be used as fertilizer additive in agroculture industry.
Hypophosphorous acid technical grade is used as reducing agent for electroless plating.
Hypophosphorous acid technical grade can be used to prevent discoloration of phosphoric acid resin;
Hypophosphorous acid technical grade is used as reducing agent for electroless plating.
Hypophosphorous acid technical grade can be used to prevent discoloration of phosphoric acid resin.
Hypophosphorous acid technical grade is used as esterification catalyst, the refrigerant.
Hypophosphorous acid technical grade is used to produce hypophosphite, sodium salts, manganese salts, iron salts are generally used as nourishing substances.
Hypophosphorous acid technical grade is used in electroless nickel plating, where it helps deposit a layer of nickel onto various surfaces without the need for an electrical current.
This process is widely used in industries such as electronics and automotive manufacturing.
Hypophosphorous acid technical grade is used to remove dissolved oxygen from water in industrial applications, as oxygen can corrode equipment and pipelines.
Hypophosphorous acid technical grade is used as a reducing agent in the production of certain polymers, such as polyamides (nylon) and polyurethanes.
Hypophosphorous acid technical grade may be employed in the synthesis of some pharmaceutical compounds.
Hypophosphorous acid technical grade (and its salts) are used to reduce metal salts back into bulk metals.
Further, Hypophosphorous acid technical grade is used in the formulation of pharmaceuticals, discoloration of polymers, water treatment and retrieval of precious or non-ferrous metals.
Safety Profile:
Production operators should wear protective clothing and other protective clothing.
Production equipment should be sealed, workshop should be ventilated well.
TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death.
Contact with molten substance may cause severe burns to skin and eyes.
Effects of contact or inhalation may be delayed.
Fire may produce irritating, corrosive and/or toxic gases.
Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Some are oxidizers and may ignite combustibles (wood, paper, oil, clothing, etc.).
Contact with metals may evolve flammable hydrogen gas.
Hypophosphorous acid technical grade is non-combustible.
But when contacts with the hole H agent, it will cause fire. When meets oxidizing agent, violent reaction and combustion can proceed.
When Hypophosphorous acid technical grade is heated to high, it can decompose into highly toxic phosphine gas, or even explode.
Hypophosphorous acid technical grade is corrosive.
Hypophosphorous acid technical grade is often added into soft drinks, and because it is not absorbed.
Hypophosphorous acid technical grade splashes into the eyes or contacts skin, plenty of water is used to washed.
