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Tannic acid (electronics grade)
�鳥怏特仲�?埰
C76H52O46
1401-55-4
Application: the material of electronics chemistry, manufacturing tannin iron ink, anti-rust of metal, the raw material of pharmaceutical industrial
Synonym: Tannic acid Tannin Chinese gallnut tannic acid
Molecular formula and weight: C76H52O46=1701.18
CAS: 1401-55-4.
Molecular formula and molecular weight: C76H52O46=1701.18

Characteristic：light yellowish to brownish powder, soluble in 1 part of water or alcohol, soluble in acetone, insoluble in chloroform or aether.

Main technical specifications:
Item Standard
content of Tannic Acid (dry substance), %: ◎99.5
Chloride, ppm: ●4.4
Pb, ppm: ●2.0
Fe, ppm: ●2.0
sulfate, ppm: ●3.0
moisture, %: ●10.0
제품관련분야 염료,안료, 기타, 의약,중간체
Shanghai Chunyuan Phytochemistry Co., Ltd
전화번호 86-21-52909171
팩스번호 86-21-52909172
홈페이지 www.chunyuan.com.cn
이메일 steven.jia2005@gmail.com
주소 Room B of Floor 9, NO.2020, North Zhongshan Road
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