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SULFAMIC ACID

Sulfamic acid, also known as amidosulfonic acid, amidosulfuric acid, aminosulfonic acid, and sulfamidic acid, is a molecular compound with the formula H3NSO3. This colourless, water-soluble compound finds many applications. Sulfamic acid melts at 205 °C before decomposing at higher temperatures to water, sulfur trioxide, sulfur dioxide and nitrogen.

CAS NUMBER: 5329-14-6

SYNONYM:

5329-14-6; Amidosulfonic acid; Aminosulfonic acid; Sulphamic acid; Amidosulfuric acid; Imidosulfonic acid; Sulfamidic acid; Sulfaminic acid; Jumbo; Sulphamidic acid; Aminosulfuric acid; Kyselina sulfaminova; Kyselina amidosulfonova; sulfuramidic acid; NSC 1871; MFCD00011603; UNII-9NFU33906Q; amidohydroxidodioxidosulfur; H2NSO3H; CHEMBL68253; CHEBI:9330; [S(NH2)O2(OH)]; 9NFU33906Q; Sulfamic acid, 99%; DSSTox_CID_14005; DSSTox_RID_79107; DSSTox_GSID_34005; Caswell No. 809; Kyselina sulfaminova; HSDB 795; Kyselina amidosulfonova; EINECS 226-218-8; UN2967; SULFAMIC ACID, ACS

Sulfamic acid is the simplest of the sulfamic acids consisting of a single sulfur atom covalently bound by single bonds to hydroxy and amino groups and by double bonds to two oxygen atoms. Sulfamic acid (H3NSO3) may be considered an intermediate compound between sulfuric acid (H2SO4), and sulfamide (H4N2SO2), effectively replacing a hydroxyl (–OH) group with an amine (–NH2) group at each step. This pattern can extend no further in either direction without breaking down the sulfonyl (–SO2–) moiety. Sulfamates are derivatives of sulfamic acid. Sulfamic acid is produced industrially by treating urea with a mixture of sulfur trioxide and sulfuric acid (or oleum). The conversion is conducted in two stages. The compound is well described by the formula H3NSO3, not the tautomer H2NSO2(OH). The relevant bond distances are 1.44 Å for the S=O and 1.77 Å for the S–N. The greater length of the S–N is consistent with a single bond. Furthermore, a neutron diffraction study located the hydrogen atoms, all three of which are 1.03 Å distant from the nitrogen. In the solid state, the molecule of sulfamic acid is well described by a zwitterionic form.

Aqueous solutions of sulfamic acid are unstable and slowly hydrolyse to ammonium bisulfate, but the crystalline solid is indefinitely stable under ordinary storage conditions. Its behaviour resembles that of urea, (H2N)2CO. Both feature amino groups linked to electron-withdrawing centres that can participate in delocalised bonding. Both liberate ammonia upon heating in water ; however, the sulfamic acid reverts to sulfuric acid , in place of the CO2 that urea would release, according to the following reaction. Sulfamic acid is mainly a precursor to sweet-tasting compounds. Reaction with cyclohexylamine followed by addition of NaOH gives C6H11NHSO3Na, sodium cyclamate. Related compounds are also sweeteners, such as acesulfame potassium. Sulfamates have been used in the design of many types of therapeutic agents such as antibiotics, nucleoside/nucleotide human immunodeficiency virus (HIV) reverse transcriptase inhibitors, HIV protease inhibitors (PIs), anticancer drugs (steroid sulfatase and carbonic anhydrase inhibitors), antiepileptic drugs, and weight loss drugs.

Sulfamic acid is used as an acidic cleaning agent, sometimes pure or as a component of proprietary mixtures, typically for metals and ceramics. Sulfamic acid is frequently used for removing rust and limescale, replacing the more volatile and irritating hydrochloric acid, which is cheaper. Sulfamic acid is often a component of household descaling agents, for example, Lime-A-Way Thick Gel contains up to 8% sulfamic acid and has pH 2.0–2.2, or detergents used for removal of limescale. When compared to most of the common strong mineral acids, sulfamic acid has desirable water descaling properties, low volatility, and low toxicity. Sulfamic acid forms water-soluble salts of calcium and ferric iron. Sulfamic acid is preferable to hydrochloric acid in household use, due to its intrinsic safety. If erroneously mixed with hypochlorite based products such as bleach, Sulfamic acid does not form chlorine gas, whereas the most common acids would; the reaction (neutralisation) with ammonia, produces a salt, as depicted in the section above. Sulfamic acid also finds applications in the industrial cleaning of dairy and brewhouse equipment. Although Sulfamic acid is considered less corrosive than hydrochloric acid, corrosion inhibitors are often added to the commercial cleansers of which Sulfamic acid is a component. Sulfamic acid can be used for descaling home coffee and espresso machines and in denture cleaners.

Sulfamic acid is an odorless, colorless, water-soluble and non-volatile chemical compound with the chemical formula H3NO3S. Sulfamic acid is hygroscopic and non-volatile. Sulfamic acid solutions are less corrosive to metals than other mineral acids. Its aqueous solutions are stable at room temperature, but a rapid hydrolysis occurs with a rise in temperature. Sulfamic acid is a very strong acid. Its strength is that Sulfamic acid is comparable to hydrochloric acid and nitric acid. Sulfamic acid dissolves in water at 20 oC, 21.5 g / 100 g. Sulfamic acid is a cleaning agent in milking processes, beer, milk, sugar factories and paper mills. Sulfamic acid is used as a cleaner and as a scale remover. Sulfamic acid is used for removing lime deposits. Used for metal pickling. Sulfamic acid is used in galvanizing and electro-refinery processes. Sulfamic acid is used in sulpation and sulfation processes. Sulfamic acid is used as a raw material for artificial sweetener production. Sulfamic acid is used in the removal of nitrite diazotization in pigment and dyestuff production.
Sulfamic acid is used as a catalyst in esterification processes. Sulfamic acid is used as a pH adjuster for dyeing and other systems. Sulfamic acid is mostly found in cleaning agents used to clean surfaces such as ceramic and metal.

Sulfamic acid is used in the production of rust remover and lime remover. Sulfamic acid is included in tablets used to clean dentures. Sulfamic acid is used as a chlorine stabilizer in the paper industry. Sulfamic acid is used in agricultural medicine. Sulfamic acid is used in the production of fireproof paper and salts. Sulfamic acid is most commonly found in cleaning agents used to clean surfaces such as metals and ceramics. Sulfamic acid is used in the production of lime and rust remover. Sulfamic acid is also found in tablets used to clean dentures. Sulfamic acid is used in making dyestuffs and pigments. Sulfamic acid is used as a chlorine stabilizer in the paper industry. Sulfamic acid is used in agricultural medicine. One of their most well-known applications is their use in synthesizing sweetening compounds.

Sulfamic acid (H2NSO3H) is widely used inorganic compound. Sulfamic acid exists in zwitterionic form and neutral forms. Zwitterionic form has been reported to be is more stable than neutral form. Its industrial applications have been reported.[11] Sulfamic acid has various organic synthesis applications.[1] Sulfamic acid is a strong inorganic acid. Sulfamic acid is a hypochlorite scavenger.[6] The ability of sulfamic acid to reduce nitrate to nitrogen gas under acidic condition has been utilized to denitrify nitrate-rich wastewater along with zinc powder. Sulfamic acid (H2NSO3H) may be used in the following studies: As catalyst in the synthesis of aryl-14H-dibenzo[a.j]xanthenes, As green catalyst for the preparation of amide from ketoxime, As ammonia equivalent in the regioselective synthesis of primary allylic amines, via allylic substitution reactions, Synthesis of polysubstituted quinolones, Sulfamic acid may be used in the following processes: As a titrant in the determination of the burette injection volume and chemical calibration factor, to neutralize excess nitrous acid in the colorimetric paracetamol assay by modified Glynn and Kendal colorimetric method, to prevent endogenous mercury (Hg) loss during the urine Hg measurement by inductively coupled plasma mass spectrometry (ICP-MS) method, As an acid catalyst and a hypochlorite scavenger in the chlorite oxidation of dialdehyde cellulose (DAC), As a heterogeneous catalyst in the synthesis of polyhydroquinoline derivatives by Hantzsch condensation reaction, As catalyst in the degradation of bamboo fiber to 5-hydroxymethylfurfural (HMF), As an acid reagent in the determination of silicates in water samples based on centrifugal microfluidics, As catalyst in the synthesis of deazaoxaflavin at room temperature. Sulphamic acid also called sulfamic acid is a white crystalline solid which is stable and non-hygroscopic.

Sulfamic acid is soluble in water and formamide and slightly soluble in methanol, ether, acetone and concentrated sulphuric acid. Sulfamic acid is classified as a strong inorganic acid and is commercially produced from urea and fuming sulphuric acid. At room temperature, dilute aqueous sulphamic acid solution is stable for a long time but rapid hydrolysis occurs at elevated temperatures. Sulfamic acid's solution is less corrosive toward metals than other mineral acids like hydrochloric acid. Sulfamic acid possesses a scale solubilising capacity which makes Sulfamic acid ideal for removal of scale from boilers, cooling towers, coils, heat exchangers, condensers and a wide range of heating and cooling systems thereby increasing the efficiency of plant and equipment.
Sulphamic acid is used as an acidic cleaning agent, typically for metals and ceramics. Sulfamic acid is a replacement for hydrochloric acid for the removal of rust. In households, Sulfamic acid is often found as a descaling agent in detergents, cleaners and toilet cleaners for the removal of limescale. Sulfamic Acid is super efficient descaling agent and is used for cleaning a variety of industrial equipment and domestic appliances.

Sulfamic acid is used for cleaning boilers, heat exchangers, condensers, jackets and coils, descaling toilets, removing excess grout on tiles, efflorescence and other mineral deposits etc. Sulfamic acid helps remove hard water scale, protein deposits, beer and milk stone, light rust and copper corrosion. Sulphamic Acid prevents pulp degradation due to temperature at the chlorination and hydrochloride stage. Sulfamic acid permits bleaching at higher temperature and lower pH without loss of strength. Sulfamic Acid removes excess of nitrides used in the diazotization reactions in the manufacturing of dye stuffs and pigments. Nitrides if present in process water of effluents can also be removed by using Sulphamic Acid. Sulphamic Acid is used for stabilizing chlorine in swimming pools and cooling towers.

Sulfamic Acid is also known as Sulphamic Acid, Amidosulfonic acid, Amidosulfuric acid, Minosulfonic acid, or Sulfamidic acid. Sulfamic acid is a molecular compound with the formula H3NSO3. Sulfamic acid is a dry, non-volatile, non-hygroscopic, stable solid. Sulfamic acid is soluble in water and forms a strongly acidic aqueous solution that is comparable in acidity to the common strong mineral acids, but Sulfamic acid can be safely handled and stored in the dry form. The CAS Number for Sulfamic acid is 5329-14-6. The main reason why Sulfamic Acids is used in oil and gas drilling is to reduce the pH of used extraction fluids and compounds prior to the disposal of these fluids. The benefits of using Sulphamic Acid is its ease of handling, solubility and low corrosiveness. Sulfamic acid can also be used as an acidic cleaning agent, sometimes on its own or mixed with other products, typically for metals and ceramics. Sulfamic acid is frequently used for removing rust and limescale. Sulfamic acid is produced industrially by treating urea with a mixture of sulfur trioxide and sulfuric acid (or oleum). Sulfamic acid melts at 205 °C before decomposing at higher temperatures to water, sulfur trioxide, sulfur dioxide and nitrogen.

Sulphamic Acid should always be added to water, never add water to sulfamic acid. At room temperature, diluted aqueous Sulphamic Acid is stable for a long period of time but hydrolysis occurs at elevated temperatures. Concentrated sulfamic acid can be corrosive and can cause burns on the skin when Sulfamic acid is not properly handled. This chemical is unique because Sulfamic acid not only causes chemical burns, but also secondary thermal burns as a result of dehydration. Sulfamic acid is vital to use proper PPE such as Rubber gloves, full clothing, rubber apron, and eye and face protection when mixing to avoid contact with unprotected skin. Contaminated clothing should be washed before being used again.

IUPAC NAME:

Amidoschwefelsäure; Amidosulfonic acid; amidosulfonic acid; Amidosulfonsäure; Amidosulfuric acid; amidosulfuric acid; heptadecanoic acid; Isononyl alcohol; NH2SO3H; SULFAMIC ACID; Sulfamic Acid; Sulfamic acid; sulfamic acid; Sulfamic acid; sulfamidic acid; Sulfaminic acid; Aminosulfonic acid; Aminosulfuric acid; Sulfammic Acid; SULPHAMIC ACID; Sulphamic Acid; Sulphamic acid; sulphamic acid; SULPHAMIDIC ACID; Sulphamidic Acid; Sulphamidic acid; sulphamidic acid; Sulphamidic acid; sulphamidic acid; sulphamidic-acid

TRADE NAME:
Acido solfammico; Jumbo; Sulfamic acid; Sulphamidic acid

OTHER NAME:
016-026-00-0; 1266250-83-2; 1266250-83-2;2430-22-0; 5329-14-6

Sulfamic acid is used as a standard in acidometry because the solid is non-hygroscopic. Used as a catalyst in a variety of organic chemical reactions. Sulfamic acid has been shown to remove nitrite from a mixture of nitrites and nitrates. Sulfamic acid acts as a catalyst for the esterification process. Sulfamic acid is a white crystalline solid which is non-hygroscopic and stable. Sulfamic acid is a super-efficient agent for descaling. Sulfamic acid is used for cleaning a number of domestic appliances and industrial equipment. Sulfamic acid is used as an acidic cleaning agent, usually for ceramics and metals. Sulfamic acid is a safe and powerful acid, which is suitable for descaling applications and acid cleaning.

Sulfamic acid also called as amido sulfuric acid is a white crystalline solid which is non-hygroscopic and stable. Sulfamic acid is soluble in formamide and water, and slightly soluble in concentrated sulfuric acid, methanol, acetone, and ether. Sulfamic acid is commercially produced from fuming sulfuric acid and urea, and classified as a strong inorganic acid. The sulfamic acid with dilute aqueous solution is stable for longer periods at room temperature. However, a rapid hydrolysis arises at high temperatures. The sulfamic acid is considered as less corrosive to metals compared to other strong acid such as hydrochloric acid. As the sulfamic acid retains a scale solubilizing capacity Sulfamic acid is considered ideal for removal of scale from cooling towers, boilers, coils, condensers, heat exchangers and a wide range of cooling and heating systems thereby amassing the efficiency of equipment and plant.

As sulfamic acid is super-efficient agent for descaling, Sulfamic acid is used for cleaning a number of domestic appliances and industrial equipment. Sulfamic acid is used for cleaning heat exchangers, boilers, condensers, descaling toilets, jackets and coils, efflorescence other deposits of mineral deposits, removing excess grout on tiles, etc. Sulfamic acid helps remove protein deposits, hard water scale, beer and milk stone, copper corrosion, and light rust. Some other uses of sulfamic acids are listed below.

• Descaler, rust remover, and cleaner.
• Descaler and cleaner for dairy equipment such as milk evaporators, milkers’ pipeline.
• Descaler and cleaner for brewery equipment such as vats, pipelines, etc.
• Catalyst for esterification process.
• Used in dye & pigment manufacturing
• Used as an herbicide.
• Effective against foot and mouth.
• Used as an ingredient in denture tablets.
• Ingredient in fire extinguishing media.
• Urea-formaldehyde resins coagulator
• Synthesis of nitrous oxide by reaction with nitric acid.
• Chloride stabilizer in pulp & paper industry.

sulfamic acid is used as an acidic cleaning agent, usually for ceramics and metals. Over the last few years sulfamic acid has replaced hydrochloric acid as a remover of the rust. In homes, Sulfamic acid is frequently found as a descaling agent in toilet cleaners, and detergents for the removing the lime scale. When compared to other strong and most common strong mineral acids, the sulfamic acid has the needed low toxicity, low volatility, and water descaling properties. Sulfamic acid forms water-soluble salts of ferric iron and calcium. Sulfamic acid provides intrinsic safety and hence Sulfamic acid is preferred over hydrochloric acid for household use. Unlike the most common acids, the sulfamic acid does not form chlorine gas if invalidly mixed with hypochlorite based products.
The sulfamates have been used in the design of various types of therapeutic agents such as nucleotide/nucleoside HIV, antibiotics, HIV protease inhibitors (PIs), weight loss drugs, antiepileptic drugs, and anticancer drugs.

Sulfamic acid is also used as a chlorine stabilizer in cooling towers and swimming pools. The industrial applications of sulfamic acid are as follows: Sulfamic Acid inhibits pulp degradation due to temperature at the hydrochloride and chlorination stage. Sulfamic acid allows bleaching at elevated temperature and lower pH without any loss in strength. Sulfamic acid takes out excess of nitrides that are used in the diazotization reactions during the manufacturing of pigments and dye stuffs. The sulfamic acid can also remove nitrides if present in process water of emissions. Sulfamic acid is a safe and powerful acid, which is suitable for descaling applications and acid cleaning. One of the most common use of sulfamic acid is for descaling heating coils and heated vessels in the food handling premises owing to its ability to quickly dissolve hardness deposits without objectionable odors or fumes. Hence, sulfamic acid is considered as the most popular, safe, preferred acid in various industries.

Sulfamic acid is used in surface finishing, but also for cleaning metals and ceramics, welding, stirring, products for fluxes, as an inhibitor of interference caused by nitrite in certain colorimetric assays such as that of nitrate or orthophosphate, as a detergent (food production, foam, laundry). Sulfamic acid is also used as a household descaler, surface disinfectant, ph regulator, chloride stabilizer (paper industry), coagulant for uretic resins and in the tannery industry. Sulfamic acid is a colorless odorless solid acid, soluble in water, but insoluble in organic solvents. Sulfamic acid is not hygroscopic, though finely powdered form may appear "sticky", similar to wet snow in appearance. Sulfamic acid is readily available as solid acidic descaling agent, sold in many hardware stores. Sometimes Sulfamic acid's sold as coffee machine cleaning powder, though always read the label, as many have producers have replaced Sulfamic acid with citric acid.
Sulfamic acid is used for the stabilization of chlorine in swimming pools and cooling towers. The sulfamic acid helps the chlorine in the pool remain for longer making Sulfamic acid more useful. Stabilized chlorine helps in saving cost that could have been incurred in purchasing more chlorine and makes caring for water easier and less time-consuming.

Sulfamic acid is preferable to hydrochloric acid in household use, due to its intrinsic safety. If erroneously mixed with hypochlorite based products such as bleach, Sulfamic acid does not form chlorine gas, whereas the most common acids would; the reaction (neutralisation) with ammonia, produces a salt, as depicted in the section above. Sulfamic acid also finds applications in the industrial cleaning of dairy and brewhouse equipment. Although Sulfamic acid is considered less corrosive than hydrochloric acid, corrosion inhibitors are often added to the commercial cleansers of which Sulfamic acid is a component. Sulfamic acid can be used for descaling home coffee and espresso machines and in denture cleaners. Sulfamic acid also called as amido sulfuric acid is a white crystalline solid which is non-hygroscopic and stable. Sulfamic acid is soluble in formamide and water, and slightly soluble in concentrated sulfuric acid, methanol, acetone, and ether. Sulfamic acid is commercially produced from fuming sulfuric acid and urea, and classified as a strong inorganic acid. The sulfamic acid with dilute aqueous solution is stable for longer periods at room temperature. However, a rapid hydrolysis arises at high temperatures. The sulfamic acid is considered as less corrosive to metals compared to other strong acid such as hydrochloric acid.

As the sulfamic acid retains a scale solubilizing capacity Sulfamic acid is considered ideal for removal of scale from cooling towers, boilers, coils, condensers, heat exchangers and a wide range of cooling and heating systems thereby amassing the efficiency of equipment and plant. Sulfamates have been used in the design of many types of therapeutic agents such as antibiotics, nucleoside/nucleotide human immunodeficiency virus (HIV) reverse transcriptase inhibitors, HIV protease inhibitors (PIs), anti-cancer drugs (steroid sulfatase and carbonic anhydrase inhibitors), anti-epileptic drugs, and weight loss drugs.

Sulfamic acid is used as an acidic cleaning agent, sometimes pure or as a component of proprietary mixtures, typically for metals and ceramics. Sulfamic acid is frequently used for removingrust and limescale, replacing the more volatile and irritating hydrochloric acid, which is however cheaper. Sulfamic acid is often a component of household descaling agents, for example, Lime-A-Way Thick Gel contains up to 8% sulfamic acid and pH 2 - 2.2, or detergents used for removal of limescale. When compared to most of the common strong mineral acids, sulfamic acid has desirable water descaling properties, low volatility, low toxicity. Sulfamic acid forms water-soluble salts of calcium and ferric iron. Importantly, sulfamic acid is preferable to use in household in comparison to hydrochloric acid for its intrinsic safety. If erroneously mixed with hypochlorite based products such as bleach, Sulfamic acid does not form chlorine gas, where the most common acids would; the reaction (neutralization) with NH3, produces a salt as depicted in the section above.

Sulfamic acid also called sulfamic acid is a white crystalline solid which is stable and non-hygroscopic. Sulfamic acid is soluble in water and formamide and slightly soluble in methanol, ether, acetone and concentrated sulphuric acid. Sulfamic acid is classified as a strong inorganic acid and is commercially produced from urea and fuming sulphuric acid. At room temperature, dilute aqueous sulphamic acid solution is stable for a long time but rapid hydrolysis occurs at elevated temperatures. Sulfamic acid's solution is less corrosive toward metals than other mineral acids like hydrochloric acid. Sulfamic acid possesses a scale solubilising capacity which makes Sulfamic acid ideal for removal of scale from boilers, cooling towers, coils, heat exchangers, condensers and a wide range of heating and cooling systems thereby increasing the efficiency of plant and equipment.

Sulfamic acid is an odorless, colorless, water-soluble and non-volatile chemical compound with the chemical formula H3NO3S. Sulfamic acid is hygroscopic and non-volatile. Sulfamic acid solutions are less corrosive to metals than other mineral acids. Its aqueous solutions are stable at room temperature, but a rapid hydrolysis occurs with a rise in temperature. Sulfamic acid is a very strong acid. Its strength is that Sulfamic acid is comparable to hydrochloric acid and nitric acid. Sulfamic acid dissolves in water at 20 oC, 21.5 g / 100 g.
Sulfamic acid production is achieved by the reaction of a few chemicals. These compounds are obtained from the reaction of urea, sulfur trioxide and sulfuric acid. First, urea and sulfuric acid are reacted equally. The compound formed afterwards is produced in a simple way by reacting with sulfur trioxide. Sulfur trioxide used in this production reaction is in liquid form. The most difficult parameter in the production process here is the difficulty of controlling the temperature properly. Sulfamic acid is in the form of a white crystalline powder in physical appearance. Its melting point is 205 ° C.Its density is 2.1 g / cm³. Sulfamic acid is acidic and corrosive when Sulfamic acid dissolves in water. If Sulfamic acid reacts with bases, an exothermic reaction occurs.

Sulfamic acid is an important component in the manufacture of flame resistant fabrics. Sulfamic acid is a suitable coating chemical in the electroplating sector because Sulfamic acid forms metal salts very easily. Sulfamic acid is used for acid cleaning and nitrite discharge. Sulfamic is used for bleaching wood pulp. Sulfamic acid is used for chlorine stabilization in this area. Sulfamic acid is used in wool dyeing processes together with acidic dyes. Sulfamic acid is dissolved in water and used to kill weeds in agriculture. Sulfamic acid is an important component in organic synthesis as a solid acid catalyst. Sulfamic acid is used in the manufacture of artificial sweeteners. Sulfamic acid is used as a lime changer in hard water.

All sulfamic acid salts are soluble in water. Calcium, lead and barium salts are very soluble in water, unlike the corresponding sulfuric acid salts. Nitrous acid (HNO2) reacts quantitatively with the amino group of sulfamic acid to nitrogen (N2). Sulfamic acid is believed that the sulfamate ion functions as an amide, not an amine, in this reaction. Sulfamic acid is oxidized with chlorine, bromine or potassium chlorate to convert Sulfamic acid to sulfuric acid. This reaction does not occur with other oxidants such as chromic acid or potassium permanganate. Incompatible (does not react) with strong alkalis, chlorine, hypochlorous acid, hypochlorites, cyanides and sulphides. In water, sulfamic acid loses only the proton bound to oxygen. Hydrogens bonded to nitrogen hold tightly together. Acid ammonium sulfate (NH4HSO4) in aqueous solution. Stable in dry conditions. Sulfamic acid attacks metals, metal oxides and carbonates to form sulfamates. For example, metal potassium (K) with potassium sulfamate (KOSO2NH2) and hydrogen (H2). Sulfamic acid is an inorganic compound consisting of a sulfur atom (S) covalently bonded to a hydroxyl group (–OH) and an amino group (–NH 2) and by double bonding to two oxygen atoms (O). Sulfamic acid is a white crystalline solid. Its chemical formula is NH2SW3H. Sulfamic acid is also known as aminosulfonic acid, amidosulfonic acid, amidosulfuric acid and sulfamidic acid.

Sulfamic acid is a strong acid. May react with metals, metal oxides and carbonates. Its salts are generally water soluble, which makes Sulfamic acid a good descaler in process equipment. Sulfamic acid is often used in sugar mills to clean the carbonate shells in evaporator equipment. Sulfamic acid is in the form of colorless, odorless and non-volatile crystals. Sulfamic acid melts at 205 ° C and begins to deteriorate at 209 ° C. Sulfamic acid ionizes in aqueous solutions. Sulfamic acid is a strong acid and its strength is comparable to that of hydrochloric acid and nitric acid. Commercially obtained by treating urea with sulfur trioxide and sulfuric acid. Sulfamic acid is used in metal cleaners and in the production of detergents. Sulfamic acid is an excellent primary standard for measuring acidity in chemical analysis. Sulfamic acid salts are called sulphamates. They are used in fireproof paper manufacturing, insect repellents, electrolytic coating baths and artificial sweeteners such as saccharin.

Sulfamic acid is used as a raw material for the removal of lime deposits, metal pickling, galvanizing and electro-refining processes, sulfating and sulphating reactions, the production of artificial sweeteners, nitrite diazotization removal in the production of dyes and pigments, as a catalyst in esterification processes, as a pH adjuster for dyeing and other systems. Sulfamic acid is most commonly found in cleaning agents used to clean surfaces such as metal and ceramics. Since Sulfamic acid is lighter than HCI, Sulfamic acid does not damage the surface much. Sulfamic acid is also found in tablets used to clean dentures. Sulfamic acid (also called sulfamic acid or sulfamic acid) is an excellent descaler and is often used, for example, to descale coffee machines. Usually about 15g / liter of water is used for this. In contrast to vinegar cleaners, amidosulfonic acid is odorless and much more effective than citric acid. Amidosulfonic acid is therefore a main component of many expensive decalcifiers (especially coffee machine decalcifiers) and sanitary cleaners; in the laboratory Sulfamic acid is used as a basic substance and to destroy nitrite: In electroplating, amidosulfonic acid is used to adjust the pH value of nickel sulfamate baths to pH 3.9 to 4 , 2. A solution of sulfamic acid with sodium lauryl sulfate at 35 to 40 ° C is also used to activate a nickel layer.

Sulfamic acid, also known as sulfamic acid, is a molecular compound with the formula H3NSO3. This colorless, water-soluble compound has many uses. Sulfamic acid melts at 205 ° C and decomposes at higher temperatures into water, sulfur trioxide, sulfur dioxide and nitrogen. Sulfamic acid (H3NSO3) can be viewed as an intermediate between sulfuric acid (H2SO4) and sulfamide (H4N2SO2), and at each step a hydroxyl group (-OH) is replaced by an amine group (-NH2). This pattern cannot extend in either direction without disturbing the sulfonyl (-SO2-) moiety. Sulfamates are derivatives of sulfamic acid. Sulfamic acid is primarily a precursor to sweet-tasting compounds. Reaction with cyclohexylamine followed by addition of NaOH gives C6H11NHSO3Na, sodium cyclamate. Related compounds are also sweeteners such as acesulfame-k. Sulfamates, antibiotics, nucleoside / nucleotide human immunodeficiency virus (HIV) reverse transcriptase inhibitors, HIV protease inhibitors (PIs), cancer drugs (steroid sulfatase and carbonic anhydrase inhibitors), Anti-epileptic drugs and weight loss drugs.

Sulfamic acid is often used as an acidic detergent for metals and ceramics, sometimes as part of pure or proprietary mixtures. Sulfamic acid is often used to remove rust and sediment and replace the cheaper more volatile and irritating hydrochloric acid. Usually part of household descalers, eg. B. Contains up to 8% Kalk-A-Way-Dickgel or descaling detergents with a pH between 2.0 and 2.2. Compared to the most common strong mineral acids, sulfamic acid has desirable water descaling properties, low volatility and low toxicity. Sulfamic acid forms water-soluble calcium and iron salts.

Due to its inherent safety, sulfamic acid is preferred to hydrochloric acid. If not mixed correctly with hypochlorite-based products such as bleach, Sulfamic acid will form the most common acids, while not chlorine gas. Reaction (neutralization) with ammonia gives a salt. Sulfamic acid is also used in the industrial cleaning of milk and breweries. Although considered to be less corrosive than hydrochloric acid, corrosion inhibitors are often added to commercial cleaning agents of which they are a component. Sulfamic acid can be used to descale dental cleaners as well as coffee and espresso machines.