- Product Details
Keywords
- PG
- 121-79-9
- Propyl gallate
Quick Details
- ProName: Propyl gallate
- CasNo: 121-79-9
- Molecular Formula: C10H12O5
- Appearance: White or almost white crystalline powd...
- Application: Used as a food antioxidant
- ProductionCapacity: Metric Ton/Day
- Purity: 98.0%min
- Storage: Avoid moisture and light; hermetically...
- LimitNum: 0 Metric Ton
- Plant of Origin: Gallnuts
- Product Ecification: Food grade
- Heavy Metal: /
- Assay: 97-103%
- Loss on drying: ≤0.5%
- Melting point: 148-151℃
- Gallic acid: ≤0.5%
- Total chlorine: ≤200ppm
- Chloride: ≤100ppm
- Solution in Et 96%: Clear
- Sulphate ash: ≤0.1
- Heavy metal: ≤10ppm
- Arsenic: ≤3ppm
- ZINC: ≤25ppm
Superiority
Propyl gallate, or propyl 3,4,5-trihydroxybenzoate 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. As a food additive, it is used under the E number E310.
Details
Propyl gallate is an antioxidant. It protects against oxidation by hydrogen peroxide and oxygen free radicals.
Propyl gallate is used to protect oils and fats in products from oxidation; it is used in foods, cosmetics, hair products, adhesives, and lubricants.
It is used as a triplet state quencher and an antioxidant in fluorescence microscopy.