Tannic acid

CAS NO.：1401-55-4

Appearance:yellow or light brown powder

Purity:81%, 92%,96%,98% according to your request.

Product name：	Tannic acid
Synonym:	3,4,5-trihydroxybenzoicacidmethylester(intermediateofbifendate);METHYLGALLATE(METHYL3,4,5-TRIHYDROXYBENZOATE);METHYLChemicalbookGALLATE(RG);2-diazo-1-naphthol-5-sulfonicacid,esterwithnovolac;METHYGALLATE;3,4,5-trihydroxy-benzoicaciddmethylester
CAS:	1401-55-4
Appearance:	yellow or light brown powder
Purity:	81%, 92%,96%,98% according to your request.
MF：	C76H52O46
MW：	1701.2
Transport Information:	Non-dangerous goods
HS Code:	2916399090
Product manager:	Eva Zhao Email:eva@coreychem.com

Tannic acid is an extremely versatile natural product.

(1)Food Industry: Used as a clarifying agent (in beer, wine), astringent, antioxidant, and natural colorant (e.g., for tea beverage stability).

(2)Beverage Industry: Used in beer production to precipitate proteins, improving chill and non-biological stability.

(3)Pharmaceuticals:

- Traditionally used as an astringent, haemostatic, and antiseptic.
- An antidote for alkaloid poisoning.
- Its antioxidant, antiviral, antibacterial, and potential antitumor activities are under extensive research.

(4)Cosmetics Industry: Used as an astringent (especially in toners) and in sunscreen products due to its ability to absorb UV light.

(5)Water Treatment: Acts as a flocculant and scale inhibitor for removing heavy metal ions.

(6)Other Industrial Applications:

- Leather Tanning: The traditional use; converts raw hides into leather by binding with collagen.
- Textile Industry: Used as a mordant in dyeing.
- Oil & Gas Drilling: Serves as a fluid-loss control additive in drilling muds.

Packaging: 25kg/drum

Storage: store in cool, dry place, tightly sealed.

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