CALCIUM SULPHATE DIHYDRATE AR/ACS

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC2715 AR/ACS 99% 10101-41-4 CaSO4.2H2O 172.17 2833.2990 60 Months

Packings

500 g

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%)

Specifications

Appearance 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

Symbol
Signal Word
UN No.
IMCO Class No.
Packing Group
Hazardous Statement
Precaution Statement
Risk Statement
Safety Statement 22-24/25
Revision Date : 14-Sep-2017