Offering gallic acid.

Synonyms: 3, 4, 5 -trihydroxybenzoic acid

Mlecular formula: c6h2(oh)3h-h2o

Cas : 149-91-7 (anhydrate), 5995-86-8 (monohydrate)

Molecular weight: 188.13

Description: white or pale colored crystalline powder, getting brown when exposed to air and light. soluble in 85 parts of water, in 6 parts of alcohol, in 2 parts of boiling water, slightly soluble in ether.

Specification:     conform to usp, jis 1st grade, hgb 5309-85

Standard.

** Main technical indexes

unit: mono hydrate anhydrous

water: solubility test clear clear

content: %99.0 min: 99.0 min

loss of drying: %10.0 max, 0.5 max

residue on ignition: %0.1 max, 0.1 max

sulfate: % 0.02 max, 0.02 max

chloride: pass the test pass the test

heavy metals: (as pb) ppm, 10 max, 10 max

Uses: widely used in organic synthesis, pharmaceutical, ink making, dyestuff, national defense, chemical, food and light industries.

Packing: in plastic woven bag / paper bag, with inner pe bag, 25kg net each.