Vitamins

Vitamin D2

CAS No.:50-14-6
HS Code:2936900000
Specification:Food/Feed/Pharmaceutical Grade
Packing:25kg bag/drum/carton
Product description: Vitamin D2
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Specification

ITEMS	SPECIFICATION
Appearance	Meet the requirement
Identification	Meet the requirement
Examination	Dissolve 10mg of vitamin D2 into 2ml of 90% ethanol, add 2ml solution of digitalis saponin and incubate for 18 hours. No precipitation or cloud should be observed.
Melting Range	115 ~ 119°C
Specific Rotation	+103°~+106
Solubility	Freely soluble in alcohol
Reducing Substances	Max 20ppm
Ergosterol	none
OrganicVolatilityImpurities	Corresponding using method IV(467)

Details

Vitamin D2

Vitamin D2 is absorped by the intestinal, the absorption of bile salts and need special α-binding globulin after transported to other parts of the body, stored in the liver and fat. Metabolism, activation through the liver first, followed by the kidneys.

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