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Tannic acid (electronics grade)

CAS: 1401-55-4.

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Description

Synonym: Tannic acid Tannin Chinese gallnut tannic acid
Molecular formula and weight: C76H52O46=1701.18
CAS: 1401-55-4.
Molecular formula and molecular weight:

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: ≤4.4 ppm;
Pb: ≤2.0 ppm;
Fe: ≤2.0 ppm;
sulfate: ≤3.0 ppm;
moisture: ≤10.0%;

Use: additive materials for fine chemistry and electronics industry.
Store: airproof and protect from light
Packing: net weight 20 kg per drum

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