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| Catalog Number | CI-GU-0203 |
| Product Name | Propyl Gallate |
| CAS | 121-79-9 |
| Structure |  |
| Synonyms | Benzoic acid, 3,4,5-trihydroxy-, propyl ester;Gallic acid, propyl ester;Propyl 3,4,5-trihydroxybenzoate |
| IUPAC Name | propyl 3,4,5-trihydroxybenzoate |
| Molecular Weight | 212.2 g/mol |
| Molecular Formula | C10H12O5 |
| InChI | InChI=1S/C10H12O5/c1-2-3-15-10(14)6-4-7(11)9(13)8(12)5-6/h4-5,11-13H,2-3H2,1H3 |
| InChI Key | ZTHYODDOHIVTJV-UHFFFAOYSA-N |
| Boiling Point | 312 °C |
| Melting Point | 146-150℃ |
| Flash Point | 187°C |
| Purity | 95% |
| Density | 1.21 g/mL |
| Appearance | White Creamy-white Crystalline Powder |
| Application | - Fats, oils and emulsified fat products - Nuts and seeds - Gum-based candy - Fried noodles - Instant rice noodle products - biscuits - Cured meat products - Air-dried, dried, pressed dry and other aquatic products - Solid compound seasoning - Puffed foodSTANDARD USP43 |
| Storage | The product may be stored for 24 months from the date of manufture in the unopened original container and at room temperature. It should be protected from light, heat, oxygen and moisture. Keep container tightly closed. Once opened, use contents quickly. |
| Advantage | High efficiency ; Low toxicity ; Wide application |
| Assay | 98.0-102.0% |
| Chemical Name | Benzoic acid, 3,4,5-trihydroxy-, propyl ester |
| EC Number | 204-498-2 |
| Highest Usage In Residency Products | 0.015 |
| Highest Usage In Rinsing Products | 0.0808 |
| Isomeric SMILES | CCCOC(=O)C1=CC(=C(C(=C1)O)O)O |
| Loss On Drying | ≤0.5% |
| Normal Dosage | ≤0.1g/kg Tag: Functional Ingredient , Nutritional Ingredient , Nutritional Supplement Component |
| pKa | 8.11 |
What is the chemical formula of propyl gallate?
The chemical formula of propyl gallate is C10H12O5.
What is the melting point of propyl gallate?
The melting point of propyl gallate is 146-149°C.
In what form does propyl gallate appear?
Propyl gallate appears as a fine white to creamy-white crystalline powder.
What is the main function of propyl gallate in foods?
Propyl gallate is used as an antioxidant in foods, especially in stabilizing animal fats and vegetable oils.
What is the primary safety concern associated with propyl gallate?
Propyl gallate is a skin sensitizing agent that can cause contact dermatitis in individuals exposed to it.
How is propyl gallate produced commercially?
Propyl gallate is commercially prepared by the esterification of gallic acid with propyl alcohol followed by distillation to remove excess alcohol.
What is the solubility of propyl gallate in ethanol?
Propyl gallate is soluble in ethanol at a concentration of 50 mg/mL.
What is the main application of propyl gallate in the cosmetics industry?
Propyl gallate is used as an antioxidant in cosmetics to prevent the oxidation of unsaturated fatty acids.
Can propyl gallate react with oxidizing agents?
Yes, propyl gallate can react with oxidizing agents.
Is propyl gallate considered safe for use in cosmetics and food products?
Yes, propyl gallate is generally recognized as safe (GRAS) for use as an antioxidant in cosmetics and food products.
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