Store in a tightly sealed container away from heat and direct light, and in a cool dry place.
API, cosmetics Ingredients
Colorless or slightly yellow liquid
Very slightly soluble in water, miscible with
ethanol (96 percent) and with fatty and essential oils.
Appearance of solution
The solution is clear (2.2.1) and not more intensely coloured than reference solution Y7.
Not more than 0.4ml of 0.1M sodium hydroxide is required to restore the blue colour.
Between 1.182 and 1.188 at 20℃
Between 1.535 and 1.538 at 20℃
Impurity B(phenol): maximum 50ppm
Unspecified impurity: maximum 0.10 percent
Total: maximum 0.5 percent
(C8H8O3 ) 99.0-101.0 percent m/m
GMP Certificate Written Confirmation