Tannic Acid CAS 1401-55-4

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Last update: 2019-12-26 01:36
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Product details

Product Instruction

◆ Tannic acid CAS 1401-55-4, is in a class of chemicals called tannins, which are found in many plants. Tannic acid refers to tannins that can be dissolved in water, as opposed to the other type, or condensed tannins.

◆ Gallnut is the Rhus chinensis Mill., Rhus potaninii Maxim. or Rhus pun-jabensis Stew.var.sinica (Diels) Rehd. et Wils. The insects on the leaves are mainly gallnuts. Melaphis chinensis (Bell) Baker parasitized. Pick in autumn, boil in boiling water or steam until the surface is gray, kill aphids, remove and dry. According to the shape, it is divided into "Du bei" and "Jiao bei".

◆ Galla chinensis is China's special product and gallic tannins as the major bioactive components have become a hot research in the field of natural products. Studies have showed that gallic tannins have obvious biological activities, such as anti-caries, antimicrobial sterilization, spermicidal, inhibiting mutations, free radical scavenging and antioxidant, etc.



Specification of Tannic acid 81.0% powder

ITEMS

SPECIFICATIONS

METHOD/STANDARD

Characters

Powder

Organoleptic

Color

Light yellow

Organoleptic

Odor & Taste

Practically odorless

Organoleptic

Taste

Neutral/slight astringent taste

LY/T 1300

Loss on drying

≤9.0%

LY/T 1300

Water insoluble

≤0.5%

LY/T 1300

Color (Lovibond Unit)

≤1.5%


Identification:


By UV/TLC

Assay (On dry basis)

≥81.0% Tannic acid

UV

Heavy Metals

≤10.0ppm

CP2010

Pb   

≤1.0ppm

CP2010

As

≤2.0ppm

CP2010

Hg

≤0.1ppm

CP2010

Cd

≤1.0 ppm 

CP2010

Microbiological



Total Plate Count

1000cfu/g Max

CP2010

Yeast&Mold

100cfu/g Max

CP2010

E.Coli colonies/g

Negative (-)

CP2010

Samonella colonies/g

Negative (-)

CP2010


Product benefits

◆ Tannic acid can be used for preparation of raw materials for pharmaceutical acid, pyroic acid, sulfonamides. Gallic acid and pyrogallic acid can be produced by chemical production.

◆ Used as a mud treatment agent in the petroleum industry. In addition, it can be used in the production of leather tanning agents, mordants, rubber coagulants, protein agents, alkaloid precipitants, beneficiation inhibitors, alcohol clarifiers, extraction of antimony and preparation of blue-black inks.


Tannic acid workshop


Product application

◆ As pharmaceutical raw materials for clearing heat, anti-inflammation and so on, it is mainly used in pharmaceutical  field.

◆ As the raw material of product for benefiting stomach, increasing energy and boosting the immunity, widely used in health industry.

◆ Applied in food field, it can be produced into wine, canned, condensed juice and other more nourishment.

◆ As active ingredients of skin care products, it is mainly used in cosmetic industry.

Industrial grade.

◆ Used as a diluent when processing drilling mud


Raw material warehouse

 

Flow chart of tannic acid

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