Synonym: Gallic acid, Gallnut acid
Chemical name: 3, 4, 5-Trihydroxybenzoic acid
Molecular formula and Molecular weight: (HO)3C6H2COOH.H2O=188.13
CAS: 149-91-7

Characteristic: White or grey crystal powder, soluble in 85 parts of water, 6 parts of alcohol or parts of hot water, slightly soluble in ether.

Items Standards
Acid value, mg KOH/g: 290-330
Loss of dry, %≤: 0.5
Ignited residue, %≤: 0.1
Content, %≤: 99
Al, Ca, Cu, Fe, Pb, Mg, Ni, Na, Zn, Cr, Mn, Sn, ≤ppm: 0.5

Application: Super pure gallic acid is widely use in organic synthesis, electronical industry, manufacturing of drug, ink, dye and food. The main application is in electronical and photo-sensitive chemical industrial.
Package: Packed in plastic woven bags, 25Kg/bag. Packed in cardboard drums when exported, 25Kg/drum.