Original
Gallic acid(3,4,5-Trihydroxybenzoic acid) CAS: 149-91-7 Spc.: European standard -93 (first grade), JIS (first grade), AP21 (1985), Top grade.
Name: Gallic acid
Chemical Name: 3,4,5-Trihydroxybenzoic acid
Structural formula：
Molecular formula & Molecular weight: C7H8O6 / 88.13
Gallic acid
Appearance: white or white crystalline powder.
Quality index: European standard -93 (first grade), JIS (first grade), AP21 (1985), Top grade.
Uses: Widely used in medicine, dyestuff, chemicals and organic synthesis, and also used for the analysis of rare metal.
Product descript ion:
1.Production capacity: 600 T/Year
2.Other name：gallnut acid
3.Chemical name：3，4，5-Trihydroxybenzoic acid
4.Mol. form and Mol. wt.： C7H8O6 88.13
5.Descript ion：A white or white crystalline powder. Soluble in 85 proportions of water，
6 alcohol and 2 boil-water, slightly soluble in ether.
6.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
7.Storage：Moistureproof and avoid light, sealed storage，keep in a well-closed container or plastic bag lined woven bag Net wt 25kg
Guangzhou Topwork Chemical Co., Ltd, is the biggest leading enterprise in China,we specialize in the depth processing of Chinese gallnuts.
Our Chinese gallnut raw materials are widely used in medical, chemical, food, printing & dyeing, astronavigation and national defense and micro-electronics areas, Also the final goods usually exported to the US,Japan, EU and the Southeast Asia etc.
We have gained certificates of ISO9001-2000, HACCP, HALAL, FAMI-QS and KOSHER and carried out the pre-registration of REACH. It also got the Chinese production lisences of Food Additives and Feed Additives.
Our strong products are:Tannic Acid(Pharmaceutical/Tech/Dyes/Food Grade),Gallic acid（3,4,5-Trihydroxybenzoic acid),Pyrogallol(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl gallate,3,4,5-Trimethoxybenzaldehyde,Methyl 3,4,5-trimethoxybenzoate and so on.
