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Pharmaceutical Grade Calcium Stearate

CAS：1592-23-0
Formula：

[CH3(CH2)16COO]2Ca

DESCRIPTION

Product name:  Calcium Stearate

Cas No.:  1592-23-0Other names:　Calcium octadecanoate，Stearate calcium

Chemical formula: [CH3(CH2)16COO]2Ca

Other names: Octadecanoic Acid, Stearic Acid Magnesium Salt

Ingredients: Pharmaceutical grade Calcium Stearate is a mixture of Calcium stearate (C36H70CaO4) and Calcium palmitate (C32H62CaO4) as the main component.

Characters: Calcium Stearate is white to yellow white loose powder, delicate, lubricity, no sand feeling. It is insoluble in water, ethanol or ether.

 

SPECIFICATION

Item	Unit	Value
Calcium Stearate content (CaO)	w/%	9.0~10.5
Loss on drying	w/%	4.0 max
Free acid (stearic acid)	w/%	3.0 max
Pb	mg/kg	2.0 max
Chloride	w/%	0.1 max
Sulfate	w/%	0.3 max
Heavy metals	ppm	10 max
Freezing point	℃	53 min
Stearic acid	w/%	40 min
Stearate acid&palmitic acid	w/%	90 min
Quality standard	BP, USP

 

APPLICATION

Pharmaceutical calcium stearate is used as pharmaceutical excipient in manufacturing and used for tablet and capsule lubrication.

 

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