Propyl gallate is a chemical compound used as a food additive and preservative in various products. It is derived from the esterification of gallic acid with propyl alcohol, resulting in a white or off-white crystalline powder.
Where To Use Propyl Gallate
Food industry: Propyl gallate is used as a preservative in meat products, fats and oils, emulsified fat-containing preparations.
Pharmaceuticals: It is also used as an antioxidant and preservative in some pharmaceutical formulations.
Key Features Of Propyl Gallate
Acts as a preservative and antioxidant.
Inhibits oxidation of fats and oils.
Has antimicrobial properties.
How To Use Propyl Gallate
Mix with water or another suitable solvent.
Heat the mixture to a temperature of around 80-100°C.
Pour the hot mixture into containers and allow it to cool and solidify.
How Propyl Gallate Is Manufactured
The manufacturing process of propyl gallate involves the esterification reaction between gallic acid and propyl alcohol in the presence of a catalyst, typically sulfuric acid or glycerol.
Technical Specification Of Propyl Gallate
Molecular Weight:
182.21 g/mol
Purity:
95-98%
Appearance:
White or off-white crystalline powder.
Density:
1.07-1.10 g/cm³.
The molecular weight of propyl gallate is an essential parameter for its safe and effective use in various industries. The purity level ensures the product's efficacy as a preservative and antioxidant. The appearance of white or off-white crystalline powder is indicative of its high-quality and stability. The density value helps in determining the solubility and behavior of propyl gallate in different solutions.
Description Of Propyl Gallate
Propyl gallate is a versatile chemical compound that serves as a preservative and antioxidant in various applications. Its unique properties make it an essential component in the food, pharmaceutical, and industrial sectors.
