Vitamins

Molecular Formula: C36H60O2

Molecular Weight: 524.860

CAS No.: 79-81-2

Product name:

Vitamin A Palmitate

It is an ester of retinol, a combination of retinol and palmitic acid, which is the main form of vitamin A in the epidermis. Vitamin A palmitate has been widely used in medicines and cosmetics.

Description

It is yellow or brown yellow oily liquid, sensitive to air, heat, light and humidity. It is insoluble in water, soluble in ethanol, soluble in ether, chloroform, acetone and grease.

Application

It can be absorbed through the skin, resist keratinization, stimulate the growth of collagen and elastin, and increase the thickness of the epidermis and dermis. Enhance skin elasticity, effectively eliminate wrinkles, promote skin renewal, and maintain skin vitality. Used in eye cream, moisturizing cream, repair cream, shampoo, conditioner, etc.

Specification

Identification

A. Transient blue color appears at once in presence of Antimony Trichloride TS;

B. The blue green spot formed is indicative of retinol. The approximate RF values of the predominant spots corresponding to the different from of retinol, 0.7 for the palmitate.

Absorbance Ratio

The ration of corrected absorbance (A325) to the observed absorbance A325 is not less than 0.85.

Appearance

Yellow or brown yellow oily liquid

Acidity

≤1.0mgKOH/g

Peroxide Value

≤10meq/kg

Heavy Metal

≤10ppm

Lead

≤2ppm

Arsenic

≤1ppm

Vitamin A Palmitate Content

≥1,000,000IU/g

The total content of the Vitamin A acetate and retinol

≤1.0%

Total Plate Count

≤1000cfu/g

Yeast & Mold

≤100cfu/g

E. Coli

Negative/10g

Salmonella

Negative/25g

Packing

20kg/carton or as customer’s requirements.

Storage

Store in the original container, protected from light, in a dry, cool (8-15°C) place.