Home > Pallav Chemicals > Metallic Salts (Metal Salts) > Aluminium Sulphate Octadecahydrate 98% Extrapure
Aluminium Sulphate Octadecahydrate 98% Extrapure
Alum; Dialuminum sulfate octadecahydrate
Product Code. |
00134 |
Grade |
Extrapure |
Purity |
98% |
CAS No. |
7784-31-8 |
Molecular Formula |
AI2(SO4)3.18H2O |
Molecular Weight |
666.42 |
H.S.Code |
2833.22100 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White powder |
pH value |
3 - 4 |
| Melting point/ Freezing point [°C] |
86 °C |
Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | A white crystalline powder |
| Assay (as AI2(SO4)3; complexometric) | Min 98.0% |
| pH (2% solution in water) | 2.5 - 4.0 |
| Chloride (Cl) | Max 0.005% |
| Heavy metal (as Pb) | Max 0.002% |
| Ammonium (NH4) | Max 0.005% |
| Arsenic (As) | Max 0.001% |
| Calcium (Ca) | Max 0.02% |
| Iron (Fe) | Max 0.005% |
| Potassium (K) | Max 0.2% |
| Alkalies & alkaline earth metals | Max 0.4% |
Safety Information and Hazard Symbols
Symbol: GHS05
Signal Word: Danger
Hazardous Statement: H318
Precaution Statement: P280-P305 + P351 + P338