Tannic acid CAS 1401-55-4 is a light yellow granular powder specially purified for food applications. This product is a 100% natural material extracted from renewable plant materials such as Oak wood. Tannic acid is a specific commercial form of tannin, a type of polyphenol. Tannic acid can be used in pharmaceutical,food and industrial field.
Specificaiton
Composition
High molecular weight hydrolysable tannic acid
Appearance
Light yellow granular powder
Odor
Practically odorless
Taste
Neutral / slight astringent taste
Density
0.35 -0.45 g/cm3
Purity
92%min. (on dry material – HPLC)
Gallic acid
0.1%max. (HPLC)
Heavy metals
20 ppm max. (FCCIV)
Ash Content
0.01 % max.
Moisture
7 % max.
Color Gardner
6 (1:10; alcohol)
Solubility
Clear in water
pH
3.5 – 4.5 (1% in water)
Application
Medicinal, Pharmaceutical, and Cosmetic
Mainly used as an ingredient in some ointments and suppositories for treating hemorrhoids and in some burn lotions.
Food industry
Tannic acid is used in clarifying alcoholic beverages (especially beer and wines). It is also used as a flavor ingredient
in most major categories of foods, including alcoholic and nonalcoholic beverages, frozen dairy desserts, candy, baked
goods, gelatins and puddings, and meat and meat products. Highest average maximum use level is about 0.018%
(182 ppm) reported in frozen dairy desserts.
Industrial field
as mud treatment agent in petroleum industry. In addition, can be used in the production of leather tanning agent,
mordant, rubber curing agent, agent of proteins, alkaloids precipitation agent, mineral inhibitor, wine clarifying agent,
the extraction of germanium and the configuration of the blue-black ink, etc.
Packing
25kg bag or 25kg fiber drum.
12mt(25kg bag) /20ft container,9mt(25kg fiber drum)/20ft container.
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