Tannic acid (electronics grade)

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禆鳼儚殥膱?鵨,C76H52O46">

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Tannic acid (electronics grade)

禆鳼儚殥膱?鵨

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

Characteristicㄩlight 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

Industrial field

dye & pigment, others, pharmaceutical

Shanghai Chunyuan Phytochemistry Co., Ltd

Phone	86-21-52909171
Fax	86-21-52909172
Homepage	www.chunyuan.com.cn
E-mail	steven.jia2005@gmail.com
Address	Room B of Floor 9, NO.2020, North Zhongshan Road

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