CAS number : 7722-76-1
Molecular weight :115.03
Molecular formula/chemical symbol :NH4H2PO4
Description :
Apearances: The white crystalline powder. Stable in the air, showing acidic reaction. Soluble in water, slightly soluble in ethanol, insoluble in acetone.
USES :
Preparation of buffers and media, production of phosphate, phosphor, wood, paper, fabric, flame retardants, dry powder extinguishing agent. Analytical standards for measuring nitrogen for Kjeldahl nitrogen determination.
Keywords:Surface treatment chemicals
Report :
TEST ITEMS |
TEST RESULT |
|
|
(AR) (CP) |
|
NH4H2PO4 |
≥99.0 |
98.5 |
Aqueous reaction |
Qualified |
Qualified |
Clarity Test |
Qualified |
Qualified |
Water insoluble matter |
≤0.005 |
0.01 |
Chloride (Cl) |
≤0.0005 |
0.001 |
Sulfur compounds (SO4) |
≤0.005 |
0.01 |
Nitrate (NO3) |
≤0.001 |
0.00 |
Fe |
≤0.001 |
0.003 |
As |
≤0.0005 |
0.002 |
Heavy metals (as Pb) |
≤0.0005 |
0.001 |