Other name:Gallic acid progal, PG
Chemical name:Propyl - 3,4,5 - Trihydroxybenzoate
Mol. form and Mol. wt.:C10H12O5;212.21
Description:A white to creamy-white crystalline powder; odourless.
Soluble in 1000 proportions of water, 3 alcohol, 3 aether, and 2000 arachis oil.
Specification:Comply with the requirement of both state standard GB3626-82 and B.P.1980 edition, U.S.P.XXI(1985)edition; U.S.A.FCC-IV standard.
Technical data:
Appearance: white or almost white crystalline powder
Melting point: ℃ 146--150
As: % ≤0.0003
Heavy metal: % ≤0.001
Loss on drying: % ≤0.5
Residue on ignition: % ≤ 0.1
Colour number: fan ≤50
Usage: mainly used as antioxidant additive in fattiness, oleaginous foods and
medicinal preparations.
Storage:Escape from light, storing in the airtight vessel, prevent from contacting with metal .
Packing:circinal-paper barrel with plastic bag inside, N.W. 25kg/drum.