255548

Calcium sulfate dihydrate

ACS reagent, 98%

• Linear Formula: CaSO₄ · 2H₂O
• CAS Number: 10101-41-4
• Molecular Weight: 172.17
• EC Number: 231-900-3
• MDL number: MFCD00149625
• PubChem Substance ID: 329752796
• NACRES: NB.24

Properties

• grade: ACS reagent
• Quality Level: 200
• assay: 98%; 98.0-102.0% (ACS specification)
• form: powder
• impurities: ≤0.02% insol. dil. HCl
• anion traces: carbonate (CO₃^2-): passes test; chloride (Cl^-): ≤0.005%; nitrate (NO₃^-): ≤0.005%
• cation traces: Fe: ≤0.001%; K: ≤0.005%; Mg: ≤0.02%; Na: ≤0.02%; Sr: ≤0.05%; heavy metals: ≤0.002% (by ICP-OES)
• SMILES string: O.O.[Ca++].[O-]S([O-])(=O)=O
• InChI: 1S/Ca.H2O4S.2H2O/c;1-5(2,3)4;;/h;(H2,1,2,3,4);2*1H2/q+2;;;/p-2
• InChI key: PASHVRUKOFIRIK-UHFFFAOYSA-L

Description

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

5, 100, 500 g in poly bottle

1 kg in poly bottle

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable