Category : |
Catalyst and Auxiliary |
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CAS NO : |
5995-86-8 or 149-91-7 |
EC NO : |
205-749-9 |
MF : |
C7H6O5 |
MW : |
170.1195 |
Specification : |
Comply with the requirements of European-93 (1-class) Standard, JIS (1-class)standard, U.S.P.21 edition(1985), superior grade. |
Packing : |
25kg/ bag or drum |
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 188.13
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:keep in a well-closed container
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Uses : |
Mainly used in medicine、dyestuff、chemical and synthesis industry ,also used in analysis in rare metal. |
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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