| Post Date: | Dec 02,2021 |
| Expiry Date: | Dec 02,2022 |
| Detailed Description: |
Cas No. :149-91-7
Specs:European standard -93 (first grade), JIS (fir Payment Method: T/T 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 description: 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.Description：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. Our strong products are:Tannic Acid(Pharmaceutical/Tech/Dyes/Food Grade),Gallic acid（3,4,5-Trihydroxybenzoic acid),Pyrogallic Acid(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl gallate,3,4,5-Trimethoxybenzaldehyde,Methyl 3,4,5-trimethoxybenzoate and so on. |
| CAS Registry Number: | 149-91-7 |
| Synonyms: | ;3,4,5-Trihydroxybenzoic acid;Pyrogallol-5-carboxylic acid;Gallic Acid Anhydrous;Gallic acid(anhydrous); |
| Molecular Formula: | C7H6O5 |
| Molecular Weight: | 170.1195 |
| Molecular Structure: | 
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| Hazard Symbols: | |
| Risk Codes: | R36/37/38:; |
| Safety Description: | S24/25:; |
