Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
A0018005000 | AR | 98% | 7784-26-1 | NH4AI(SO4)2.12H2O | 453.32 | 2833.3010 |
60 Months |
Physical state at 20 °C
Solid
Colour
White powder
Odour
Odorless
pH value
2.6
Melting Point/ Freezing point [°C]
93.5 °C
Boiling point [°C]
280°C
Density [g/cm3]
1.65
Solubility in water [% weight]
14% in water
Appearance: |
White crystalline powder |
Insoluble matter: |
Max 0.005% |
Chloride (Cl): |
Max 0.001% |
Heavy metal (as Pb): |
Max 0.001% |
Sodium (Na): |
Max 0.01% |
Arsenic (As): |
Max 0.00005% |
Iron (Fe): |
Max 0.001% |
Copper (Cu): |
Max 0.0005% |
Assay: |
98-102% |
Calcium (Ca): |
Max 0.05% |
Nitrate (NO3): |
Max 0.001% |
Phosphate (PO4): |
Max 0.0025% |
Reaction: |
Not less than pH 3.0 |
Silicate (SiO3): |
Max 0.002% |
Potassium (K): |
Max 0.05% |