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CAS NUMBER: 7722-76-1
EC NUMBER: 231-764-5
MOLECULAR FORMULA: NH4H2PO4
MOLECULAR WEIGHT: 115.03
Monoammonium phosphate is an inorganic salt widely used in fertilizer, baking powder and yeast production.
Monoammonium phosphate is also employed as an agent to control pH of a solution, in corrosion inhibition.
Monoammonium phosphate can be prepared by reacting phosphoric acid with anhydrous ammonia maintaining the pH below 5.8.
The change in some of the physical characteristics on Monoammonium phosphates addition to a high carbonate containing unfired and fired illitic shale has been studied.
Monoammonium phosphate is a powdery, crystalline, fully soluble in water, concentrated nitrogenphosphorus fertilizer containing no chlorine, sodium, heavy metals or other additives.
Plants fertilized with monoammonium phosphate easily absorb nitrogen and phosphorus needed for growth and development of the plant.
Spraying the fertilizer on plant leaves or watering them using capillary watering systems, will ensure a balanced supply of necessary materials to the plant.
Next-gen, efficient, environmentally friendly and top quality Monoammonium phosphate fertilizers are used in agriculture for fertilizing various soils and crops.
The use of completely soluble in water fertilizers containing no additives for plant fertilization makes farming more efficient: far less fertilizers, water and manpower are required to nourish the plants and soil.
Monoammonium phosphate, also known as monoammonium phosphate is a chemical compound with the chemical formula (NH4)(H2PO4).
Monoammonium phosphate is a major ingredient of agricultural fertilizers and some fire extinguishers.
Monoammonium phosphate also has significant uses in optics and electronics.
Monoammonium phosphate is soluble in water and crystallizes from it as the anhydrous salt in the tetragonal system, as elongated prisms or needles.
Monoammonium phosphate is practically insoluble in ethanol.
Solid monoammonium phosphate can be considered stable in practice for temperatures up to 200 °C, when Monoammonium phosphate decomposes into gaseous ammonia NH3 and molten phosphoric acid H3PO4.
At 125 °C the partial pressure of ammonia is 0.05 mm Hg.
A solution of stoichometric monoammonium phosphate is acidic (pH 4.7 at 0.1% concentration, 4.2 at 5%).
The largest use of monoammonium phosphate by weight is in agriculture, as an ingredient of fertilizers.
Monoammonium phosphate supplies soil with the elements nitrogen and phosphorus in a form usable by plants.
Monoammonium phosphates NPK label is 12-61-0 (12-27-0), meaning that it contains 12% by weight of elemental nitrogen and (nominally) 61% of phosphorus pentoxide P2O5, or 27% of elemental phosphorus.
Monoammonium phosphate is a widely used crystal in the field of optics due to its birefringence properties.
As a result of its tetragonal crystal structure, this material has negative uniaxial optical symmetry with typical refractive indices no = 1.522 and ne = 1.478 at optical wavelengths.
Monoammonium phosphate crystals are piezoelectric, a property required in some active sonar transducers (the alternative being transducers that use magnetostriction).
In the 1950s Monoammonium phosphate crystals largely replaced the quartz and Rochelle salt crystals in transducers because they are easier to work than quartz and, unlike Rochelle salt, are not deliquescent.
Monoammonium phosphate is a widely used source of phosphorus (P) and nitrogen (N).
Monoammonium phosphate’s made of two constituents common in the fertilizer industry and contains the most phosphorus of any common solid fertilizer.
The process for manufacturing Monoammonium phosphate is relatively simple.
In a common method, a one-to-one ratio of ammonia (NH₃) and phosphoric acid (H₃PO₄) is reacted and the resulting slurry of MAP is solidified in a granulator.
The second method introduces the two starting materials in a pipe-cross reactor, where the reaction generates heat to evaporate water and solidify MAP.
Other methods exist as well.
An advantage of manufactured Monoammonium phosphate is that lower-quality H₃PO₄ can be used compared with other P fertilizers often requiring a more pure grade of acid.
The phosphorus pentoxide (P₂O₅) equivalent content of MAP varies from 48 to 61 percent, depending on the amount of impurity in the acid.
The most common fertilizer composition is 11-52-0.
Monoammonium phosphate has been an important granular fertilizer for many years.
Monoammonium phosphate’s water-soluble and dissolves rapidly in adequately moist soil.
Upon dissolution, the two basic components of the fertilizer separate again to release ammonium (NH₄⁺) and phosphate (H₂PO₄⁻), both of which plants rely on for healthy, sustained growth.
The pH of the solution surrounding the granule is moderately acidic, making Monoammonium phosphate an especially desirable fertilizer in neutral- and high-pH soils.
Agronomic studies show that, under most conditions, no significant difference exists in P nutrition between various commercial P fertilizers under most conditions.
Growers apply granular Monoammonium phosphate in concentrated bands beneath the soil surface in proximity of growing roots or in surface bands.
Monoammonium phosphate’s also commonly applied by spreading it across the field and mixing it into the surface soil via tillage.
Monoammonium phosphate’s an important component of suspension fertilizers.
When Monoammonium phosphate is made with especially pure H₃PO₄, Monoammonium phosphate readily dissolves into a clear solution dispersed as a foliar spray or added to irrigation water.
Monoammonium phosphate equivalent content of high-purity Monoammonium phosphate is usually 61 percent.
No special precautions are needed with the use of MAP.
The slight acidity associated with this fertilizer reduces the potential for NH₃ loss to the air.
Monoammonium phosphate can be placed in close proximity to germinating seeds without concern for NH₃ damage.
However, Monoammonium phosphate used in foliar spray or added to irrigation water, shouldn’t be mixed with calcium or magnesium fertilizers.
Monoammonium phosphate has good storage and handling properties.
Some of the chemical impurities naturally serve as a conditioner to prevent caking.
Highly pure Monoammonium phosphate may have a conditioner added or may require extra care in handling to prevent clumping and caking.
As with all P fertilizers, employ appropriate management practices to minimize any nutrient loss to surface or drainage water.
Monoammonium phosphate is used in dry chemical fire extinguishers commonly found in offices, schools and homes.
The extinguisher spray disperses finely powdered MAP, which coats the fuel and rapidly smothers the flame.
Monoammonium phosphate is also known as ammonium phosphate monobasic and ammonium dihydrogen phosphate
Ammonium dihydrogen phosphate is the ammonium salt of phosphoric acid (molar ratio 1:1).
Monoammonium phosphate has a role as a fertilizer.
Monoammonium phosphate contains a dihydrogenphosphate.
Monoammonium phosphate (MAP) is a widely used source of phosphorus (P) and nitrogen (N).
Monoammonium phosphate’s made of two constituents common in the fertilizer industry and contains the most phosphorus of any common solid fertilizer.
TThe process for manufacturing MAP is relatively simple.
In a common method, a one to one ratio of ammonia (NH3) and phosphoric acid Monoammonium phosphate is reacted and the resulting slurry of MAP is solidified in a granulator.
The second method is to introduce the two starting materials in a pipe-cross reactor where the reaction generates heat to evaporate water and solidify MAP.
Variations of these methods are also in use for MAP production.
An advantage of producing MAP is that lower quality H3PO4 can be used compared with other P fertilizers that often require a more pure grade of acid.
Monoammonium phosphate equivalent content of MAP varies from 48 to 61%, depending on the amount of impurity in the acid.
The most common fertilizer composition is 11-52-0.
Monoammonium phosphate has been an important granular fertilizer for many years.
Monoammonium phosphate is water soluble and dissolves rapidly in soil if adequate moisture is present.
Upon dissolution, the two basic components of the fertilizer separate again.
Both of these nutrients are important to sustain healthy plant growth.
The pH of the solution surrounding the granule is moderately acidic, making Monoammonium phosphate an especially desirable fertilizer in neutral and high pH soils.
Agronomic studies show that there is no significant difference in P nutrition from various commercial P fertilizers under most conditions.
Monoammonium phosphate is applied in concentrated bands beneath the soil surface in proximity of growing roots or in surface bands.
Monoammonium phosphate is also commonly applied by spreading across the field and mixing into the surface soil with tillage.
In powdered form, Monoammonium phosphate is an important component of suspension fertilizers.
When Monoammonium phosphate is made with especially pure Monoammonium phosphate, it readily dissolves into a clear solution that can be used as a foliar spray or added to irrigation water.
The Monoammonium phosphate equivalent content of high-purity Monoammonium phosphate is usually 61%.
Monoammonium phosphate is a water soluble fertilizer.
Monoammonium phosphates chemical formula is ammonium dihydrogen phosphate (NH4H2PO4); Monoammonium phosphate contains 12% N (nitrogen) and 61% P2O5 (phosphate).
This fertilizer has the highest phosphorous content among others, which contain phosphorous.
Due to its low nitrogen content this is the most appropriate way of supplying phosphorous to plants.
Monoammonium phosphate does not contain any hazardous chemicals such as chlorine, sodium or heavy metals, Monoammonium phosphate can safely be used for any kind of plants.
Nitrogen content in the MAP fertilizers originates from the ammonium in its formula; therefore nitrogen is provided to the plants in small and controlled amounts.
Monoammonium phosphate is one of the chemicals included in commercial crystal growing kits because Monoammonium phosphate is safe and practically foolproof for producing a mass of crystals quickly.
The pure chemical yields clear crystals, but you can add food coloring to get any color you desire.
The crystal shape is perfect for green "emerald" crystals.
This substance dissolves in water and dissolves rapidly in sufficiently moist soil.
Growers apply granular mono ammonium phosphate near the plant's growing roots or in surface bands.
In addition, Monoammonium phosphate is widely spread on the land and mixed with the soil.
Monoammonium phosphate, used as a foliar spray or added to irrigation water.
Monoammonium phosphate should not be mixed with calcium or magnesium fertilizers.
There are various uses in the agricultural field. Since all of the nitrogen in the fertilizer is ammonia nitrogen, it is controlled in terms of plants.
If this substance is used in drip irrigation, if the pH value of the fertilized water is created in a light and acidic way, all the necessary substances can be easily taken by the plants.
Monoammonium phosphate is a widely used source of phosphorus and nitrogen.
These substances, which are used in the fertilizer industry, are in the content of solid fertilizers.
Monoammonium phosphate manufacturing process can be done by applying simple methods.
As a method; ammonia ratio and phosphoric acid are reacted. After this process, the solidification process is carried out.
In the other method, Monoammonium phosphate is the process of mixing with different fertilizers.
Mono ammonium phosphate fertilizer is a fertilizer containing the highest amount of phosphate among the phosphorus fertilizers.
Monoammonium phosphate does not contain any harmful substances and does not harm plants.
The application of ammonium phosphate is made into the soil before planting.
Monoammonium phosphate is also used for main fertilization and pre-sowing fertilization of fruit crops, grape vines, plants and flowers.
This item; Monoammonium phosphate is stored in closed, cold and dry buildings.
Monoammonium phosphate is transported in packaged form or in bulk.
Monoammonium phosphate is a water-soluble fertilizer.
Monoammonium phosphates formula is NH4H2PO4 - 12% N (nitrogen) + 61% P2O5 (phosphorus).
Among the phosphate source fertilizers, Monoammonium phosphate is the type of fertilizer that contains the highest amount of phosphate.
Thanks to Monoammonium phosphates low nitrogen content, Monoammonium phosphate is the most suitable way to provide phosphorus to plants at the desired rate.
Monoammonium phosphate can be used safely in all products, as Monoammonium phosphate does not contain any substances that can harm plants, such as chlorine, sodium and heavy metals.
Since all of the nitrogen in MAP fertilizer is ammonia nitrogen, this element is provided to reach the plants in a controlled manner.
Monoammonium phosphate is a complex, highly concentrated, ballastless, water-soluble mineral fertilizer.
Monoammonium phosphate is not hygroscopic and has a granular form with equal in size granules because of which it is dissipated evenly along the soil surface.
Monoammonium phosphate contains two main nutrients in its composition — 11% nitrogen (N) and 52% phosphoric pentoxide (P2O5) or in total 63% of active substance, which makes it easily absorbed by the plants.
Ammophos is with the highest percentage of water-soluble P2O5 (min. 52%) amongst phosphorus fertilizers.
The availability of phosphorous ions creates conditions for more energetic absorption of ammonium nitrogen.
Monoammonium phosphate deficiency reflects negatively over the blossom formation, the seeds and the fruits which results in lower yields.
Monoammonium phosphate is appropriate for fertilization of all soils and crops.
Because of the fact that Monoammonium phosphate is water-soluble, it has the properties of fast-acting phosphorus fertilizer, and the low mobility of the phosphorus in the soil allows its use for main, stocking as well as for periodic fertilization.
This fertilizer is input with the main treatment of the soil or prior to sowing.
Monoammonium phosphate is also used in main and pre-sowing fertilization of all field vegetables, fruit crops, grape vines, herbs and flowers.
Monoammonium phosphate increases the turgor pressure and the resistance of the plant to stress and diseases;
Monoammonium phosphate maintains the balance between the vegetative and the reproductive phase.
Monoammonium phosphate stimulates the growth of sprouts, when the plants are under stress from unfavorable conditions surrounding them (low temperatures, insufficient light), and it also encourages the blossoming and increases the size of the fruit;
Monoammonium phosphate improves the qualitative characteristics of the fruits.
Monoammonium phosphate provides plants simultaneously with two main nutrients connected in one chemical compound.
Owing to its high contents of phosphorus, Monoammonium phosphate is used mainly as phosphorus fertilizer.
The chemical form of the phosphorus in the mono ammonium phosphate is in molecules with long chains, which additionally facilitates its absorption by the plants and inhibits the processes of inactivation of the phosphorus in the soil complex.
This fertilizer is fully absorbed by the plants and does not leave ballast substances in the soil which could reduce the soil fertility.
Monoammonium phosphate is a transparent, piezoelectric crystal containing no water of crystallization.
Single crystals of this material were originally developed for use in underwater sound projectors and hydrophones.
Monoammonium phosphate is an inorganic salt widely used in fertilizer, baking powder and yeast production.
Monoammonium phosphate is also employed as an agent to control pH of a solution and in corrosion inhibition.
Monoammonium phosphate can be prepared by reacting phosphoric acid with anhydrous ammonia maintaining the pH below 5.8.
The change in some of the physical characteristics on its addition to a high carbonate containing unfired and fired illitic shale has been studied.
Monoammonium phosphates refer to a generic class of phosphorus fertilizers and are manufactured by reacting anhydrous ammonia with orthophosphoric acid or superphosphoric acid.
These are either in solid or liquid form.
Monoammonium phosphate fertilizers are highly soluble in water and fast acting in soil to give nitrogen and phosphorus in a chemical combination.
They form an important base for many compound fertilizers.
Monoammonium phosphates have good physical properties when synthesized from the wetprocess phosphoric acid.
Storage properties and the ease of granulation depends on the amount of impurities, which form a gel like structure.
This gel promotes granulation and serves as a conditioner to prevent caking even at moderately high moisture levels.
A small proportion of phosphate rock added to phosphoric acid before ammoniation improves the granulation.
Monoammonium phosphate, particularly Monoammonium phosphate, are the most popular phosphate fertilizers worldwide because of their high utility and good physical properties.
The standard commodity grade of Monoammonium phosphate is 18-46-0.
Pure and completely soluble ammonium phosphates are used mainly as liquid fertilizers.
Monoammonium phosphate is not sold directly in this form, but is used to make compound fertilizers with a wide variety of plant foods.
USES:
Monoammonium phosphate is a usage material that provides convenience in terms of storage and transportation.
Monoammonium phosphate is used as a feed additive for animals with high purity.
Monoammonium phosphate can be used in various irrigation techniques with the melting method.
Monoammonium phosphate increases the resistance of plants to stress and diseases.
Monoammonium phosphate provides balance during the reproductive phase.
Monoammonium phosphate has stimulating effects on the growth of the shoots, provides flowering and affects the growth of the fruits.
Monoammonium phosphate provides the development of endurance properties of fruits.
APPLICATION:
Monoammonium phosphate is a widely used source of P and N.
Monoammonium phosphate is made of two constituents common in the fertilizer industry and has the highest P content of any common solid fertilizer.
Monoammonium phosphate has been an important granular fertilizer for many years.
Monoammonium phosphate is water soluble and dissolves rapidly in soil if adequate moisture is present.
Upon dissolution, the two basic components of the fertilizer separate again to release NH4 + and H2PO4 - .
Both of these nutrients are important to sustain healthy plant growth.
The pH of the solution surrounding the granule is moderately acidic, making Monoammonium phosphate an especially desirable fertilizer in neutral and high pH soils.
Agronomic studies show that there is no significant difference in P nutrition from various commercial P fertilizers under most conditions.
Leavening agent, dough regulator, yeast food, brewing fermentation additives and buffer in the food industry.
Nitrogen and phosphorus compound fertilizer with highly efficient.
Fire retardant for wood, paper, fabric, dispersant for fiber processing and dyeing industry, glaze for enamel, cooperating agent for fire retardant coating, decontamination agent for match stalk and candle core.
In indurstis of printing plate and pharmaceutical manufacturing.
ADVANTAGES:
Monoammonium phosphate is water soluble and dissolves rapidly in soil if adequate moisture is present
Upon dissolution, the two basic components of the fertilizer separate again to release nutrients that are important to sustain healthy plant growth
BENEFITS:
-Blends well with most products
-Highest P concentration among standard dry fertilizers
-Provides added source of N, which is in a readily-available form for plant uptake
CHEMICAL PROPERTIES:
Monoammonium phosphate is a colorless transparent tetragonal crystal. soluble in water, slightly soluble in alcohol, insoluble in acetone.
Monoammonium phosphate is formed when a solution of phosphoric acid is added to ammonia until the solution is distinctly acid.
Monoammonium phosphate crystallizes in quadratic prisms.
Monoammonium phosphate is often used in the blending of dry agricultural fertilizers.
Monoammonium phosphate supplies soil with the elements nitrogen and phosphorus in a form which is usable by plants.
Monoammonium phosphate is also a component of the ABC powder in some dry powder fire extinguishers.
PROPERTIES:
-Quality Level: 100
-grade: for inorganic trace analysis
-assay: ≥99.99% trace metals basis
-impurities: ≤0.005% insolubles, <100 ppm total metallic impurities
-pH: 3.8-4.4
-mp: 190 °C (dec.) (lit.)
-solubility: water: soluble(lit.)
CHARACTERISTICS:
-Fairly hard granules available in various sizes (SGN)
-Water soluble
-Varying shades of brown, but can also be white
SYNONYM:
Phosphoric acid, monoammonium salt
Ammonium acid phosphate
Ammonium dihydrogen orthophosphate
Ammonium monophosphate
Ammonium dihydrophosphate
Ammonium dihydrogenphosphate
Ammonium diacid phosphate
Primary ammonium phosphate
Monoammonium orthophosphate
Monoammonium acid phosphate
Ammonium monobasic phosphate
Ammonium phosphate monobasic
Monobasic ammonium phosphate
Dihydrogen ammonium phosphate
Monoammonium dihydrogen orthophosphate
Monoammonium hydrogen phosphate
Monoammonium dihydrogen phosphate
Ammonium orthophosphate dihydrogen
UNII-09254QB17T
Mono-ammonium phosphate
MFCD00003396
Ammonium dihydrogen phosphate, 96%
09254QB17T
