Customization: | Available |
---|---|
Transport Package: | 25kg Bag or 25kg Fiber Drum. |
Specification: | 92% |
Still deciding? Get samples of US$ 100/kg
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Tannic acid Tannin 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) |
Medicinal, Pharmaceutical, and Cosmetic