| Category : |
Catalyst and Auxiliary |
 |
| CAS NO : |
5995-86-8or149-91-7 |
| 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
|
| 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 : |
 |