Zhongbei Northland Bio-Chem Industry Co., Ltd. [China]

Synonyms:  5-Hydroxy-2-hydroxymethyl-4-pyrone; 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one
 
Molecular Formula:  C6H6O4

Molecular Weight:  142.11

CAS Registry Number:  501-30-4

Appearance:Kind of white needle crystal or powder

Melting point:152 ~ 156℃

Assay:NLT 99.0%

Loss on drying:NMT 0.5%

Heavy metal content:NMT 3ppm

Usage:Retinoic acid is a kind of melanin specificity inhibitors, it into skin cells to the cells in the copper ions with complex, change of tyrosinase stereoscopic structure, stop the activation of tyrosinase, thus inhibiting the formation of melanin.