| ≥1 piece |
Production capacity : 600 T/Year
Other name ： gallnut Acid
Chemical name ： 3 ， 4 ， 5-Trihydroxybenzoic acid
Mol. form and Mol. wt. ： C 7 H 8 O 6 188.13
Description ： A white or white crystalline powder. Soluble in 85 proportions of water, 6 Alcohol and 2 boil-water, slightly soluble in ether.
Specification: Comply with the requirements of European-93 (1-class) Standard, JIS (1-class)standard, U.S.P.21 edition(1985), superior grade.
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
Usage ： Mainly used in medicine 、 dyestuff 、 chemical and synthesis industry ,also used in analysis in rare metal.
Storage ： keep in a well-closed container.
Packing : weave bag with plastic bag inside, N.W. 25kg/bag.