Tannic acid

CAS Number:

1401-55-4

Category

API

Manufacturer

topwork

Country of origin

China

Functional application

Food Additive, Feed Additive

Description

Tannic Acid(Tech Grade) CAS: 1401-55-4 Spc.: the national standard of GB5308-85. 1.Production capacity: 1200 T/Year 2.Other name: Tannin; Chinese gall tannic acid. 3.Mol. form and Mol. wt.： C76H52O46 1701.18 4.escription: From light yellow to light brown powder, the color will be deeping when discovered in the air; no bad smell; acerb taste; soluble in water, alcohol, acetone and ethyl acetate. 5.Specification: Comply strictly with China national standard of GB5308-85. 6.Technical data: Purity % ≥ 81 Loss on drying % ≤9 insoluble in water % ≤0.6 total color ≤2.0 7.Usage: main material of gallic acid, , sulfanilamide medicine; extract gallic acid and pyrogallol in chemical industry. mud treater in petroleum drilling; furthermore, it can be used in the production of tan-reagent of leather, polygenetic dye, rubber concretion, albumen reagent, alkaloid precipitator, mill run inhibitor,wine-clarifier, the germanium extraction, ink confect and so on 8.Storage: Keep in airtight containers. 9.Packing: 25kg/bag or drum Tannic Acid(Dyes Grade) CAS: 1401-55-4 Spc.: the national standard of GB5308-85 Name：Dyes Grade Tannic Acid Molecular formula: C76H52O46 Molecular weight: 1701.18 Dyes Grade Tannic Acid Appearance: light yellow to light brown powder, Quality index: in accordance with the national standard of GB5308-85. Uses: As a fixing agent in textile printing and dyeing, mordant, fiber sweetening agent and synthetic dyes. Storage: Moistureproof and avoid light, sealed storage Packing: plastic bag lined carton, Net wt 25kg Technical data: Purity % ≥81 Loss on drying % ≤10 State in water of solution below microetch Light absorption ≥420 content of gallic acid % ≤7 total color ≤1.0 Tannic Acid(Food Grade) CAS: 1401-55-4 Spc.: FDA “Food chemistry specification”3, FCC (1981); FCC-IV " Name: Food Grade Tannic Acid Molecular formula: C76H52O46 Mole