PROPYL GALLATE

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

Purity:            %   98-102

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.