Propyl gallate
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| Propyl gallate | |
|---|---|
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| IUPAC name | Propyl 3,4,5-trihydroxybenzoate |
| Other names | Gallic acid, propyl ester N-Propyl gallate E310 |
| Identifiers | |
| CAS number | [121-79-9] |
| PubChem | |
| EINECS number | |
| MeSH | |
| SMILES | CCCOC(=O)C1=CC(=C(C(=C1)O)O)O |
| Properties | |
| Molecular formula | C10H12O5 |
| Molar mass | 212.20 g/mol |
| Appearance | White crystalline powder |
| Melting point |
150 °C |
| Boiling point |
Decomposes |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Propyl gallate, or propyl 3,4,5-trihydroxybenzoate is an ester formed by the condensation of gallic acid and propanol. It is an antioxidant added to foods containing oils and fats to prevent oxidation.[citation needed] As a food additive, it is used under the E number E310.
[edit] Description
Propyl gallate is an anti-oxidant. It protects against oxidation by hydrogen peroxide and oxygen free radicals, in a catalytic manner similar to superoxide dismutase.
[edit] Uses
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 quencher in fluorescence microscopy.
[edit] References
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