Specification :

Retinoic acid

INCI Name : Retinoic Acid

Chemical Name / Synonyms : Tretinoin; all-trans-Retinoic acid; Vitamin A acid; 3, 7-Dimethyl-9-( 2, 6, 6-trimethyl-1-cyclohexen-1-yl) -2, 4, 6, 8-nonatetraenoic acid

CAS No. : 302-79-4
EINECS 206-129-0
Molecular Formula : C20H28O2

Action and Application
1. Treatment of acne
2. Reduce pigmentation
Inhibit tyrosinase induction, interfere with pigment transfer, accelerate epidermal turnover, disperse pigment granules within keratinocytes. Act as penetration enhancers when used with other lightening agents.
3. Treatment of melasma

Use Level: 0.01-0.1%

Appearance: Yellow or light orange crystalline powder
Solubility: Conforms
Melting point: Almost 182
Identification: Conforms
Loss on drying: d0.5%
Ignition residue: d0.1%
Heavy metals: d0.002%
Isotretinoin: d5%
Relevant substance: d0.5%
Residual Solvent: Conforms
Assay: 98.0-103.0%