Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
6/10
Jiurui Biology & Chemistry Co., Ltd .
Jiurui Biology & Chemistry Co., Ltd ., is built in 1996, situated in Zhangjiajie Economic Development Zone, Hunan Province , and covers an area of 135,000 sq. meters. Chairman of the board of directors is Dr. Zhao Guofeng who is a professor of organic chemistry at the Tianjin Nankai University. Relying on scientific research strength of Tianjin Nankai University and making use of vast natural resources of Wuling Mountains, the company focuses on the extraction and processing of natural products .
urrently, it mainly produces Tannic acid, Saponins and Hesperidin and their derivatives. These products are widely used in productions of pharmaceuticals, chemicals, food additives, feed additives, dyestuff , micro-electronic materials etc. It has advanced technology and owns the greatest processing Gallnut capability in China. Moreover, it has gained certificates of ISO9001:2008, HACCP, HALAL, KOSHER, FAMI-QS and carried out the pre-registration of REACH. It also got the Chinese production licenses of Food Additives and Feed Additives.
Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
6/10
Other name:gallnut acid
Chemical name:3,4,5-Trihydroxybenzoic acid
Mol. form and Mol. wt.: C7H8O6 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.