|Post Date:||Aug 07,2019|
|Expiry Date:||Nov 05,2019|
Cas No. :149-91-7
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.： C7H6O5 188.13
Description：A white or white crystalline powder. Soluble in 85 proportions of water, 6 alcohol and 2 boil-water, slightly soluble in ether.
5.Specification: Comply with the requirements of European-93 (1-class) Standard, JIS (1-class)standard, U.S.P.21 edition(1985), superior grade.
Purity: % ≥99
Sulfate： ppm ≤10
Tannic acid test: ppm ≤1.0
Loss on drying: % ≤0.5
Residue on ignition: % ≤0.1
Turbidity: ppm ≤10
Color number： fan ≤200
7.Usage：Mainly used in medicine、dyestuff、chemical and synthesis industry ,also used in analysis in rare metal.
8.Storage：keep in a well-closed container.
9.Packing: 25kg/bag or drum
|CAS Registry Number:|
|Synonyms:||;3,4,5-Trihydroxybenzoic acid;Pyrogallol-5-carboxylic acid;Gallic Acid Anhydrous;Gallic acid(anhydrous);|
|Hazard Symbols:|| Xi:Irritant;
|Company:||Jiurui Biology & Chemistry Co.,Ltd. [ China ]|
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