Hunan Linong Technology and Trade Co., Ltd.

Gallic acid

• Category :

  Intermediates/Pharmaceutical intermediates

• Synonyms :

  3,4,5-Trihydroxybenzoic acid;Pyrogallol-5-carboxylic acid;Gallic Acid Anhydrous;Gallic acid(anhydrous);Gallic Acid (Anhydrous & Monohydride);

• CAS NO :

  149-91-7

• EC NO :

  205-749-9

• Molecular Formula :

  C₇H₆O₅

• Molecular Weight :

  170.1195

• Main Specifications :

  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.

• Molecular Structure :