Synonyms: Gallic acid propyl ester.PG. Chemical name: Propyl-3,4,5-Trihydroxybenzoate Mol. Form and Mol. Wt.: C10H12O5=212.21 CAS 121-79-9 Decription: A white to creamy-white crystalline powder; soluble in 1000 psrts of water, in 3 parts of ethanol, in 3 parts ether, and in 2000 parts of arachis oil. Specification: meeting the requirement of both state standard GB 3263-82 and B.P.1998 edition, U.S.P.XXXI(1985)edition. Main technical indexes: Assay (dired basis) 98.0~102.0 Heavy metals max.0.001% Melting point 148~151℃ Sulphated ash max.0.1% Uses: Propyl Gallate is mainly used as antioxidant additive in fats, oleaginous foods, and medicinal preparations. Storage: Propyl Gallate should be kept in a well-clsed container, protected from light, avoiding contact with metals. Packaging: A net weight of 500g, packed in plastic bags, out packed with paperboard cases. A. net weight of (40bags×500g)