Calcium Stearate Pure & BP Ph Eur USP NF FCC Grade Suppliers Exporters, CAS 1592-23-0 |
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CAS No.:1592-23-0, Molecular Weight: -, Chemical Formula: -.
MSDS of Calcium Stearate BP USP NF FCC Manufacturers
Calcium Stearate
Octadecanoic Calcium Salt
IP BP Ph. Eur. USP ACS AR LR FCC Food Grades
Specifications of Calcium Stearate BP Ph Eur
Action and use
Excipient.
DEFINITION
Mixture of calcium salts of different fatty acids consisting mainly of stearic octadecanoic acid [(C17H35COO)2Ca; M r 607] and palmitic (hexadecanoic) acid [(C15H31COO)2Ca; M r 550.9] with minor proportions of other fatty acids.
Content:
calcium: 6.4 per cent to 7.4 per cent (dried substance),
stearic acid in the fatty acid fraction: minimum 40.0 per cent,
sum of stearic acid and palmitic acid in the fatty acid fraction: minimum 90.0 per cent.
CHARACTERS
Appearance
Fine, white or almost white, crystalline powder.
Solubility
Practically insoluble in water and in ethanol (96 per cent).
IDENTIFICATION
First identification C, D.
Second identification A, B, D.
A. Freezing point
Minimum 53C, for the residue obtained in the preparation of solution S (see Tests).
B. Acid value: 95 to 210.
C. Examine the chromatograms obtained in the test for fatty acid composition.
Results The retention times of the principal peaks in the chromatogram obtained with the test solution are approximately the same as those of the principal peaks in the chromatogram obtained with the reference solution.
D. Neutralize 5 ml of solution S to red litmus paper R using strong sodium hydroxide solution: The solution gives reaction of calcium.
TESTS
Meets all the tests for Specifications of Calcium Stearate BP Ph Eur mongograph.
Calcium Stearate USP NF
Octadecanoic acid, calcium salt.
CAS 1592-23-0
Calcium Stearate is a compound of calcium with a mixture of solid organic acids obtained from fats and consists chiefly of variable proportions of calcium stearate and calcium palmitate. It contains the equivalent of not less than 9.0 percent and not more than 10.5 percent of calcium oxide (CaO).
Identification—
A: Heat 1 g Calcium Stearate with a mixture of 25 mL of water and 5 mL of hydrochloric acid: fatty acids are liberated and appear as an oily layer floating on the surface of the liquid. The water layer responds to the tests for Calcium.
B: Mix 25 g Calcium Stearate with 200 mL of hot water, add 60 mL of 2 N sulfuric acid, and heat the mixture, with frequent stirring, until the separated fatty acid layer is clear. Wash the fatty acids with boiling water until free from sulfate, collect them in a small beaker, and warm on a steam bath until the water has separated and the fatty acids are clear. Allow the acids to cool, pour off the water layer, melt the acids, filter into a dry beaker, and dry at 105 for 20 minutes: the fatty acids so obtained congeal at a temperature not below 54.
TESTS
Meets all the tests for Specifications of Calcium Stearate USP NF mongograph.
Calcium Stearate FCC
CAS: 1592-23-0
DESCRIPTION
Calcium Stearate occurs as a fine, white to yellow-white, bulky powder. It is a compound of calcium with a mixture of solid organic acids obtained from edible sources and consists chiefly of variable proportions of calcium stearate and calcium palmitate. It is unctuous and free from grittiness. It is insoluble in water, in alcohol, and in ether.
Function: Ant caking agent; binder; emulsifier.
REQUIREMENTS
p>TESTSMeets all the tests for Specifications of Calcium Stearate FCC Food Grade mongograph.
Calcium Stearate IP BP USP FCC Manufacturers at:
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