Details for Gallic acid
Gallic acid
111Category: Intermediates/Pharmaceutical intermediates
CAS NO: 149-91-7 EC NO: 205-749-9 Molecular Formula: C7H6O5 Molecular Weight: 170.1195 Specification: assay: 99%min InChI: InChI=1/C7H6O5/c8-4-1-3(7(11)12)2-5(9)6(4)10/h1-2,8-10H,(H,11,12) Packing: 25KG/woven bag Product description:
Alias: 3,4,5-Trihydroxybenzoic acid; Pyrogallol-5-carboxylic acid; Gallic Acid Anhydrous; Gallic acid(anhydrous)
Chemical name: 3,4,5-Trihydroxybenzoic acid
Molecular formula and molecular weight: C7H8O6 188.13
Properties: this product is white or white crystalline powder, soluble in 85 parts of water, 6 parts of ethyl alcohol, 2 parts of boiled water, slightly soluble in diethyl ether.
Specification: meets European standard -93(class A), Japanese 115 standard (class A), United States Pharmacopeia 21 edition (1985), superior product.
Quality index
Content: ≥99.0%
Sulfate: ≤10PPM
Solubility test: clear and transparent
Tannin test: ≤1.0PPM
Drying loss: ≤10.0%
Ignition residue: ≤0.1%
Storage: keep in airtight container.
Packing: plastic woven bag, net weight 25kg/bag
Uses:
(1)As hemostatic for urinary system.
(2)In preparing perpetual blue ink
(3)as operation auxiliary for planographic printing and cast printing.
(4)As developing agent.
(5) As colloid stabilizer in wallboard production.
(6) As mordant in producing colored paper and colored fiber board.
(7) As analysis for alkaloid, metal and inorganic acid.
(8)This product is an important organic raw material.
Uses: It has been widely used in pharmaceutical, dyestuff, chemical and organic synthetic industries. Synonyms: 3,4,5-Trihydroxybenzoic acid;Pyrogallol-5-carboxylic acid;Gallic Acid Anhydrous;Gallic acid(anhydrous);Gallic Acid (Anhydrous & Monohydride); Molecular Structure: 
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