Stearic acid:
In industry, it is mainly used to sequester metal ions in aqueous solution.
In thetextile industry ,it prevents mental ion impurities from modifying colours of dyed products.
In the pulp and paper industry ,itis used in "chlorine_free bleaching"
In similar manner,it is added to some food as apreservative or stabilizer to prevent catalytic oxidative decolouration
In personal care products, it is added to cosmetics to improve their stability toward air
In soft drinks containing ascorbic and sodium benzoate, it mitigates formation of benzene(a carcinogen).
In Medicine, it is used to bind metal ions in chelation therapy,e,G,formercury (performs poorly)and lead poisoning
In the laboratory, it is widely used for scavenging metal ions
Specification
Grade 200 400 800
Appearance white flake granular white flake granular white flake granular
Lodine value 2.0max 4.0max 8.0max
Sapon value 206-211 203-214 193-220
Acid value 2052-210 202-212 192-220
Color Hazen 200max 400max 800max
White flake granular 54-57 54min 52min
Moisture% 0.2max 0.2max 0.2max
Inorganic% 0.001max 0.001max 0.001max