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Diammonium Phosphate CAS#7783-28-0

Diammonium Phosphate CAS#7783-28-0

Basic Information

Broad Product Range and Versatility:Includes monoammonium, diammonium orthophosphates, and ammonium polyphosphates to meet diverse agricultural and industrial application needs.


Efficient and Reliable Production Process:Manufactured by direct reaction of anhydrous ammonia with orthophosphoric or superphosphoric acid, ensuring consistent quality and high purity.


Excellent Handling Properties:Dry, free-flowing crystalline solids that are easy to handle, package, and process in large-scale operations.


Convenient Storage and Transportation:Stable solid form with good physical strength, reducing caking and dusting for safer and more economical logistics.


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product description

Product Description of Diammonium Phosphate CAS#7783-28-0

Ammonium phosphates mainly include monoammonium orthophosphate, diammonium orthophosphate and ammonium polyphosphate. They are produced by the direct reaction of anhydrous ammonia with orthophosphoric acid or superphosphoric acid. These products are dry crystalline solids with good handling performance, facilitating convenient storage, transportation and industrial processing.


Product Application of Diammonium Phosphate CAS#7783-28-0

Diammonium phosphate is widely used as a high-efficiency compound fertilizer for vegetables, fruits, rice and wheat, providing both nitrogen and phosphorus nutrients. It also serves as a feed additive for livestock and ruminants, as well as a yeast nutrient and water softener. In industrial and laboratory applications, it is used as an analytical reagent and buffer agent, and applied in printing plates, pharmaceuticals and electronic components. In the food industry, it acts as a leavening agent, dough conditioner, fermentation additive and pH regulator. Furthermore, industrial-grade diammonium phosphate is utilized in flame retardant formulations, dry powder fire extinguishers, wood and fabric impregnation, fluorescent phosphors, wastewater treatment, as well as special fireproof and military thermal insulation materials.

Product Information

Parameters


Melting point155 °C (dec.)(lit.)
bulk density800-1000kg/m3
density1.203 g/mL at 25 °C
vapor pressure0.076Pa at 20℃
RTECSTB9385000
storage temp.-20°C
solubilityH2O: 1 M at 20 °C, clear, colorless
formPowder
Specific Gravity1.619
colorWhite
Odorwh. cryst. or powd., odorless, cooling salty taste
PH7.6-8.2 (100g/l, H2O, 20℃)
Water Solubility58 g/ 100mL (10 ºC)
λmaxλ: 260 nm Amax: 0.065
λ: 280 nm Amax: 0.065
Merck14,542
Stability:Stable. Incompatible with strong acids, strong bases, strong oxidizing agents.
InChIKeyMNNHAPBLZZVQHP-UHFFFAOYSA-N
LogP-2.148 (est)
CAS DataBase Reference7783-28-0(CAS DataBase Reference)
EPA Substance Registry SystemDiammonium phosphate (7783-28-0)


Safety Information


Hazard CodesXi,Xn,N
Risk Statements36/37/38-20/21/22-50
Safety Statements26-36-61-37/39
RIDADRUN 3465 6.1 / PGIII
WGK Germany1
F3
TSCAYes
HS Code31053000
Hazardous Substances Data7783-28-0(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 6500 mg/kg LD50 dermal Rabbit > 7950 mg/kg


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