CALCIUM SULPHATE DIHYDRATE AR

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
C0058005000	AR	99%	10101-41-4	CaSO_4.2H₂O	172.17	2833.2990	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%)

Appearance:	White powder
Chloride (Cl):	Max 0.005%
Sodium (Na):	Max 0.02%
Iron (Fe):	Max 0.001%
Magnesium (Mg):	Max 0.01%
Nitrate (NO3):	Passes test
Potassium (K):	Max 0.005%
Heavy metals (by ICP-OES):	Max 0.002%
Strontium (Sr):	Max 0.05%
Substance insoluble in HCl:	Max 0.01%
Assay (as CaSO4.2H2O; complexometric):	99.0-102.0%
Total nitrogen (N):	Max 0.001%
Carbonate:	Passes test
Free acid (as H2SO4):	Max 0.01%
Free alkali (as Ca(OH)2):	Max 0.01%

Safety Statement: 22-24/25