Tannic acid powder Raw Materials CAS 1401-55-4

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Uses and synthesis of Tannic acid powder

Tannic acid powder is also known as Chinese tannin, tannic acid, and pentagram tannic acid. Tannic acid CAS 1401-55-4 is a yellowish amorphous powder or a glossy scaly or spongy solid. No special odor, bitter, astringent. Tannic acid Raw Materials are mainly used as mordant in dyeing, and are also used to produce gallic acid and pyrogallic acid.

Applications / Functions of Tannic acid powder

1. Tannic acid powder is suitable for tanning equipment leather, sole leather and sheepskin.
2. Tannic acid CAS 1401-55-4 is used as an analytical agent and also in the pharmaceutical industry
3. Tannic acid Raw Materials are used to adjust the pH value of bare skin soaking and vegetable tanning fluids. Can also be used for vegetable tanning rinsing.

Physicochemical Property of Tannic acid powder

Tannic acid powder 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.

Production methodprocess of Tannic acid powder

• The gallnut is crushed and screened, then impregnated with water, the impregnated water is clarified and preheated, then sprayed and dried, and the fine powder is sifted to obtain Tannic acid CAS 1401-55-4.
• Tannic acid Raw Materials were obtained from larch bark by grinding, extracting, purifying, concentrating and drying.
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