Gallic acid

Other name：gallnut acid

Chemical name：3，4，5-Trihydroxybenzoic acid

Mol. form and Mol. wt.： C₇H₈O₆   188.13
Description：A white or white crystalline powder. Soluble in 85 proportions of water, 6 alcohol and 2 boil-water, slightly soluble in ether.
  Specification: Comply with the requirements of European-93 (1-class) Standard, JIS (1-class)standard, U.S.P.21 edition(1985), superior grade.

Technical data:

Purity:            %   ≥99

Sulfate：         ppm  ≤10

Tannic acid test:   ppm  ≤1.0

Loss on drying:    %   ≤10.0

Residue on ignition: %   ≤0.1

Turbidity:         ppm ≤10

Color number：    fan  ≤200

Usage：Mainly used in medicine、dyestuff、chemical and synthesis industry ,also used in analysis in rare metal.  

Storage：keep in a well-closed container.
Packing: weave bag with plastic bag inside, N.W. 25kg/bag.