Diammonium phosphate(Phosphorus 46%)
Diammonium phosphate(Phosphorus 46%)
Diammonium Phosphate
CAS No.: 7783-28-0
Molecular Weight：132.056221
231-987-8
Description
Diammonium Phosphate
CAS No.: 7783-28-0
Molecular Weight：132.056221
EINECS(EC#)
231-987-8
Ammonium phosphate dibasic, with the chemical formula (NH4)2HPO4 and CAS registry number 7783-28-0, is a compound known for its applications in various industries. This white crystalline powder is commonly used as a fertilizer due to its high phosphorus content. It is also used as a flame retardant in textiles and plastics. Ammonium phosphate dibasic is soluble in water and has a pH value of around 8. It is important to handle this compound with care as it can cause irritation to the skin, eyes, and respiratory system. Overall, Ammonium phosphate dibasic plays a crucial role in agriculture and fire
| Item | Specifiation |
| Appearance | White Crystal |
| N Content | 18% |
| P2O5 Content | 46% |
| Water insoluble matter | 5%ma |
| PH Value | 4.0-5.5 |
| Moisture | 3%max |
Chemical & Physical Properties
| Density | 1.203 g/mL at 25 °C |
| Boiling Point | 158ºC at 760 mmHg |
| Melting Point | 155 °C (dec.)(lit.) |
| Molecular Formula | H9N2O4P |
| Molecular Weight | 132.06 |
| Exact Mass | 132.029999 |
| PSA | 94.05000 |
| Index of Refraction | 1.53 |
| Stability | Stable. Incompatible with strong acids, strong bases, strong oxidizing agents. |
| Water Solubility | 58 g/ 100mL (10 ºC) |
Agricultural Use
sWith excess ammonia, the technical grade of diammonium phosphate (DAP) contains 16 to 18% nitrogen and 20to 21 % phosphorus. DAP is an important fertilizer as well as an intermediate in the production of complex fertilizers and bulk blends.
Definition
ChEBI: An inorganic phosphate, being the diammonium salt of phosphoric acid.
Potential Exposure
Used in fireproofing of textiles; woodand paper; in soldering flux; as a fertilizer; a buffer; inbaking powder and food additives.
Shipping
There are no DOT/UN listed requirements.
Usage
(1) Diammonium phosphate is industrially used as feed additives, flame retardants and the ingredients of the fire extinguishing agent.(2) It can be used as analysis reagents and buffer(3) It is a widely applicable efficient fertilizer for vegetables, fruits, rice and wheat.(4) It can be used as water softeners; yeast foodstuffs, and so on.(5) In the food industry, it can be used as food leavening agent, dough regulator, yeast food, brewing fermentation additives as well as being used as a buffer.(6) It can be used as ruminant feed additives.(7) It can be used for printing plate, medicine, fire prevention, electronic tubes.(8) Fertilizer level is mainly used for high concentrations nitrogen and phosphorus compound fertilizer. The industrial grade can be used for impregnation of wood and fabric to increase its durability; it can be used as dry powder fire extinguishing agent, fluorescent phosphor; also used for the manufacturing of printing plate, tube, ceramic and wastewater biochemical treatment; military use it as the flame retardants of rocket engine motor insulation materials.
