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Pharmaceutical excipients
Calcium chloride anhydrous

Product name

Calcium chloride anhydrous

Specification

Pharmaceutical grade (USP,BP,EP,CP)

Molecular formula

CaCl2

CAS

10043-52-4

H.S. CODE

2827200000

Molecular weight

110.98

Appearance

White block

Package

25KG woven bags or fiber drums

Properties

   Calcium chloride is white porous frit or granule. It is deliquescent.Its melting point is782℃, density is 2.15g/cm3, and its boiling point is higher than 1600℃.It is soluble in water while releasing a lot of heat.It is alsosoluble in ethanol and acetone.

Application

    It can be used as multi-purpose drying agent, such as for drying nitrogen, oxygen, hydrogen, hydrogen chloride, sulfur dioxide and other gases. It can be used as dehydrating agent in producing alcohol, ester, ether and acrylic resin. Calcium chloride solution is important refrigerant for refrigerator and ice refrigerant. It can accelerate hardening of concrete and increase the tolerance to cold of building mortar. It is an excellent building antifreeze. It can be used as anti-fogging agent of port, road dust and fabric fire retardant. It can be used as protective agent and refining agent of aluminum magnesium metallurgy. It is the precipitant in the production of lake pigments. It can be used to process waste paper deinking. It is raw material to produce calcium.

Test Standard

Test items 

Specification

BP2015

USP35

CP2015

Appearance

Conform

Conform

Conform

Assay

98.0%

99.0%

98%

Basicity

Conform

 

6.0~9.2

Appearance of solution

Conform

 

Conform

Sulfate

0.03%

 

0.02%

Barium

Conform

 

Conform

Aluminum

0.0001%

0.0001%

Conform

Iron

0.001%

 

Conform

Phosphate

 

 

Conform

Magnesium and alkali

0.5%

1.0%

Conform

Heavy metals

0.002%

0.001%

0.001%

Arsenic

 

 

0.0002%

pH

 

4.5-9.2

 

Iron,aluminum and phosphate

 

Conform

 

Loss on drying

5.0%

 

 

Storage

    Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.

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