Calcium Sulphate Dihydrate 99% AR
(Precipitated Powder)
Product Code. |
00665 |
Grade |
|
Purity |
99% |
CAS No. |
10101-41-4 |
Molecular Formula |
CaSO4.2H2O |
Molecular Weight |
172.17 |
H.S.Code |
2833.29900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White powder |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
1450°C |
Density [g/cm3] |
2.32 |
Solubility in water [% weight] |
Slight (0.1-1%) |
Packaging
Specification
| Appearance | White to off white powder |
| Assay (as CaSO4.2H2O; complexometric) | 99.0-102.0% |
| Substance insoluble in HCl | Max 0.01% |
| Carbonate | Passes test |
| Nitrate (NO3) | Passes test |
| Free acid (as H2SO4) | Max 0.01% |
| Free alkali (as Ca(OH)2) | Max 0.01% |
| Chloride (Cl) | Max 0.005% |
| Total nitrogen (N) | Max 0.001% |
| Iron (Fe) | Max 0.001% |
| Heavy metals (by ICP-OES) | Max 0.002% |
| Potassium (K) | Max 0.005% |
| Magnesium (Mg) | Max 0.01% |
| Sodium (Na) | Max 0.02% |
| Strontium (Sr) | Max 0.05% |
Safety Information and Hazard Symbols