Details Introduction

Feed-tannic Acid

Category： Gallnut Series

Summary： This product is light yellow to light brown powder, with special smell and astringent taste. Soluble in 1 part water or ethanol, soluble in acetone, insoluble in chloroform or ether.

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Details Introduction

Product Name: Tannic Acid

Appearance: Light yellow or light brown amorphous powder, oxidized and darkened in color when exposed to air, odorless and astringent. Soluble in water, ethanol, acetone, and ethyl acetate.

CAS NO.: 1401-55-4

Molecular Formula: C₇₆H₅₂O₄₆

Molecular Weight: 1701.18

Structural Formula: Tannic Acid

Executive Standard: LY/T1300-2022 (industry standard)

Usage:

1. Used for the manufacturing of acid iron ink, rust prevention of metals, and mud treatment in petroleum drilling;

2. In terms of fabric printing and dyeing, it can be used as a leather tanning agent, mordant, coagulant, protein agent, and alkaloid precipitant;

3. In terms of medicine, it is also widely used in cosmetics as raw materials for the production of pharmaceutical acids, pyroacids, and sulfonamide drugs

4. In terms of fine chemicals, it is the initial raw material for the production of gallic acid series products such as tannic acid, gallic acid, gallic acid esters, and pyrogallic acid;

5. In the field of food, it can be applied as a clarifying agent for low alcohol alcoholic beverages, as well as in the processing of bromelain food; Selective adsorption of proteins in wort can reduce the aldehydes in beer, improve the non biological stability and flavor stability of beer;

keyword： Feed-tannic Acid

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