Calcium sulfate dihydrate
SIGALD/255548 - ACS reagent, 98%
CAS Number: 10101-41-4
Empirical Formula (Hill Notation): CaO4S · 2H2O
Molecular Weight: 172.17
EC Number: 231-900-3
MDL Number: MFCD00149625
Linear Formula: CaSO4 · 2H2O
Product Type: Chemical
| anion traces | carbonate (CO32-): passes test |
| chloride (Cl-): ≤0.005% | |
| nitrate (NO3-): ≤0.005% | |
| assay | 98% |
| 98.0-102.0% (ACS specification) | |
| cation traces | Fe: ≤0.001% |
| heavy metals: ≤0.002% (by ICP-OES) | |
| K: ≤0.005% | |
| Mg: ≤0.02% | |
| Na: ≤0.02% | |
| Sr: ≤0.05% | |
| form | powder |
| grade | ACS reagent |
| impurities | ≤0.02% insol. dil. HCl |
| InChI | 1S/Ca.H2O4S.2H2O/c;1-5(2, |
| InChI key | PASHVRUKOFIRIK-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| SMILES string | O.O.[Ca++].[O-]S([O-])(=O |
| Application: |
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| General description: | Calcium sulfate dihydrate, also known as gypsum, is a hydrated form of calcium sulfate. It is used as a thermal insulator because of its low thermal conductivity. |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 100, 500 g in poly bottle |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 98%; 98.0-102.0% (ACS specification) |
| UNSPSC | 12352300 |

