Calcium Stearate USP

Calcium stearate is a carboxylate of calcium, classified as a calcium soap. It appears as white bulky powder. Insoluble in water, in alcohol, and in ether.


Calcium stearate is used as a flow agent and surface conditioner in some candies such as Smarties, jawbreakers and Sprees. Food grade calcium stearate is used as conditioning agent in certain food and pharmaceutical products. As an anti-caking agent in dehydrated vegetable products, salt, and onion and garlic powder


Chemical Name: Calcium Stearate
CAS No.: 1592-23-0
Function: Anticaking agent; binder; emulsifier.


General Specifications

Test Specification…USP
Characters It occurs as a fine, white to yellowish-white, bulky powder having a slight, characteristic odor
Test A
Test B
It gives reactions of CalciumSpecified test
Solubility Insoluble in water, in alcohol, and in ether.
Heavy metals Not more than 10 ppm
Loss on drying Not more than 4.0%
Residual solvents Meets the requirements

  1. Content of Calcium-
  2. Content of

§  Stearic acid

§  Stearic & Palmitic acid


  1. 6.4%–7.4% on the dried basis


  1. Not less than 40.0%

Not less than 90.0%


Shelf life, Storage and Packing

It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.


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We observe WHO Good manufacturing practice and Good laboratory practice.

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