United Arab Emirates
Saudi Arabia
Maroc
Egypt
Turkey
Vietnam
United States
Petbowe Commerce & Trade(Shanghai) Co., Ltd.
China Manufacturer with main products: Antioxidant, Gluconate, Sweetners, Antibiotics, Glucose, Monosodium Glutamate, Mannitol |
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Specifications
Name: Tretinoin or Vitamin A Acid
CAS#: 302-79-4
Molecular Formula C20H28O2
Molecular Weight 300.44
Synonyms 3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenoic acid; all-trans-Retinoic acid; Vitamin A acid.
Character: Yellow acicular crystals, trans tretionoirum mainly. Easily dissolved in chloroform, dichoromethane and dissolved in carbinol, ethanol and also dissolved in vegetable oil and lipid. Instability exposed in light and caloricr, easily absorbing moisture and metamorphosed in water.
Quality index: Conform CP2005/BP2002/USP26
Melting point: About 182 centigrade
Loss on drying: d0.5%
Heavy metals: d0.002% Content: e98~102%
Function: Both tretionirum and Vitamin A can stimulate skin growth and keep epidermic normal. Howerver, to spread on part of skin has no actual effect. Taking orally vitamin A is benefit to treat skin disorders. Applying vitamin A acid to skin partly could produce intensive pharmacological action. External use can slow down skin aging process for solarization, remove tiny wrinkles, and reduce skin roughness, so skin will become ruddy.
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