Synonyms: Gallic acid, Gallnut acid
Chemical name: 3, 4, 5-Trihydroxybenzoic acid
Mol. Formula and Mol. Weight: (HO)3C6H2COOH. H2O = 188.13
Registry number: 149-91-7

Specification
Appearance: A white lustrous crystalline powder
Water Solubility: Pass the test
Loss on Drying: ¡Ü10.0%
Ignited residue: ¡Ü0.05%
Sulfate (SO4): ¡Ü0.005%
Tannin test: Pass the test
Purity: ¡Ý99.5%
Color Number: ¡Ü120
Heavy Metal: ¡Ü10ppm
Chloride: ¡Ü0.001%
Fe: ¡Ü5.0ppm
Turbidity: 5.0 NTU

Uses: Additive materials for fine chemistry and electronics field.
Packaging: 25KGs/drum