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Name:Retinol palmitate 

Synonyms:Vitamin A palmitate

Molecular Structure:

Molecular Formula:C36H60O2

Molecular Weight:524.87

CAS Registry Number:79-81-2

EINECS :201-228-5

Retinyl palmitate, or vitamin A palmitate (often less formally: palmitate) is the ester of retinol (vitamin A) and palmitic acid, with formula C36H60O2. Palmitate is the major component of palm oil. The word palmitate is from the French "palmitique", the pith of the palm tree. An alternate spelling, retinol palmitate, which violates the -yl organic chemical naming convention for esters, is also frequently seen. Retinyl palmitate is a synthetic alternate for retinyl acetate in vitamin A supplements, and is available in oily or dry forms. It is a common vitamin supplement, available in both oral and injectable forms for treatment of vitamin A deficiency, under the brand names Aquasol A, Palmitate A and many others. It is a pre-formed version of vitamin A, and can thus be realistically over-dosed, unlike beta-carotene. Palmitate is an antioxidant and a vitamin A compound added to low fat milk and other dairy products to replace the vitamin content lost through the removal of milk fat. Palmitate is attached to the alcohol form of vitamin A, retinol, in order to make vitamin A stable in milk. Retinyl palmitate is also a constituent of some topically-applied skin care products. After its absorption into the skin, retinyl palmitate is converted to retinol, and ultimately to retinoic acid (the active form of vitamin A present in Retin-A).
Product name Vitamin A Palmitate
Items Standards
Appearance Yellow crystal or liquid
Assay 1,000,000 IU/g Min.
Absorbance ratio (325nm) 0.85 Min.
Acid value 2.0 Max.
Heavy metals 10 ppm Max.
Arsenic (As) 2 ppm Max.
Peroxides Meets the requirements

Packaging :-25kg fibreboard box with AL-PE laminated liner, heat-sealed

Storage:s Vitamin A is sensitive to atmospheric oxygen, light, moisture and heat, the product should be stored in the original containers at room temperature (about 25℃) with dry place

Shelf life:4 months



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