Product Information
CAS number 7664-38-2
EC index number 015-011-00-6.
Hill Formula H3O4P
Chemical formula H3PO4
Density 1.71 g/cm³ (20 °C)
Molar Mass 97.994 g/mol
HS code 28092000
EC number 231-633-2
| Specification | TEST |
| 85.0% ≤ | Assay (acidimetric) |
| Passes test | Appearance of solution |
| Passes test | Identity |
| Passes test | Colour |
| 0.0003% ≥ | Chloride (Cl) |
| 0.0001% ≥ | Fluride |
| 0.0003% ≥ | Nitrate |
| 0.002% ≥ | Phosphite and hypophosphite ( H3PO3) |
| Passes test | Hypophosphite, Phosphite |
| 0.001% ≥ | Heavy metals ( as Pb) |
| 0.003% ≥ | Sulfate (SO4) |
| 0.00005% ≥ | Arsenic (As) |
| 0.002% ≥ | Calcium (Ca) |
| 0.00005% ≥ | Cadmium (Cd) |
| 0.00005% ≥ | Cobalt (Co) |
| 0.00005% ≥ | Copper (Cu) |
| 0.001% ≥ | Iron (Fe) |
| 0.0005% ≥ | Potassium (k) |
| 0.0005% ≥ | Magnesium (Mg) |
| 0.00005% ≥ | Manganese (Mn) |
| 0.02% ≥ | Sodium (Na) |
| 0.0001% ≥ | Nickel (Ni) |
| 0.00005% ≥ | Lead (Pb) |
| 0.0005% ≥ | Antimony (Sb) |
| 0.0002% ≥ | Zinc (Zn) |
| Passes test | Matter precipitated by ammonia |
| 0.001% ≥ | Volatile acids (as CH3COOH) |
| 0.0003% ≥ | Sabestance redusing potassium permanganate (as O) |
| 0.001% ≥ | Insoluble matter |
