Article No. | Grade | Purity | Cas no. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
---|---|---|---|---|---|---|---|
A0019600500 | AR | 99% | 7784-24-9 | AlK(SO4)2.12H2O | 474.38 | 2833.3030 |
60 Months |
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
3.3
Melting Point/ Freezing point [°C]
92 °C
Boiling point [°C]
200°C
Density [g/cm3]
1.757
Solubility in water [% weight]
14% in water
Appearance: |
White crystalline powder |
Insoluble matter: |
Max 0.005% |
Chloride (Cl): |
Max 0.0005% |
Heavy metal (as Pb): |
Max 0.001% |
Sodium (Na): |
Max 0.02% |
Arsenic (As): |
Max 0.0002% |
Iron (Fe): |
Max 0.0005% |
Copper (Cu): |
Max 0.0005% |
pH (10% solution in water): |
3.0 -.3.5 |
Ammonium (NH4): |
Max 0.005% |
Identifications: |
To comply USP, BP test |
Appearance of solution: |
Passes test |
Related Substances: |
To comply USP, BP test |
Assay (complexometric): |
99.0-100.5% |
Loss on dryig (at 400°C): |
43 - 46% |