Propyl Gallate CAS 121-79-9, Best price from China supplier factory
TNJ Chemical is a China factory, supplier and manufacturer of Propyl Gallate CAS 121-79-9 with plant site in Feidong Anhui Province. We are certified by GMP, ISO and SGS organization and specialize in chemical since from 2001. To buy bulk quantity Propyl Gallate CAS 121-79-9 at wholesale discounted price, please send your price inquiry to sales@tnjchem.com
Application & Function
Propyl gallate, or propyl 3,4,5-trihydroxybenzoate CAS 121-79-9 is an ester formed by the condensation of gallic acid and propanol. Since 1948, this antioxidant has been added to foods containing oils and fats to prevent oxidation.
1. Propyl gallate is used to protect oils and fats in products from oxidation; it is used in foods, cosmetics, hair products, adhesives, and lubricants.
2.It is used as a triplet state quencher and an antioxidant in fluorescence microscopy.
Specification
|
Appearance |
White crystalline powder |
|
Appearance of solution |
Clear and not more intensively coloured than Bys |
|
Gallic acid,% |
≤0.5 |
|
Total chlorine,ppm |
≤200 |
|
Chlorides,ppm |
≤100 |
|
Zinc,ppm |
≤25 |
|
Heavy metal(as Pb),ppm |
≤10 |
|
Sulphate ash,% |
≤0.1 |
|
Assay,% |
97.0-103.0 |
|
Melting point,℃ |
148-151 |
|
Loss on drying,% |
≤0.5 |
