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Tannic Acid
CAS NO.: 1401-55-4
FOB Price: NEGOTIABLE Get Latest Price
Specification: Industrial grade:≥81%; Pharmaceutical grade:≥90%; Food grade:93%-98%
Documentation: Get COA after inquiry
Lead Time: 14-30 days
Max Capacity: -
Packing: 25KG/Paper Bag; 25KG/Fibre Drum
Product Detail
Properties

Tannic Acid


Product Name: Tannic Acid

Alias:  Tannin, Gallic Tannin

Molecular Formula: C76H52O46

Molecular Weight: 1701.18

Structural formula:



Property : Light yellow or light brown powder, oxidized in the air, the color becomes darker, odorless and astringent. It is soluble in water, ethanol, acetone, ethyl acetate, but insoluble in chloroform or ether.

Specifications: Comply with national industry standards LY-T 1300, LY-T1640, LY-T1641; US ​​Food and Drug Administration "Food Chemistry Specification" 5th edition and US Food Chemistry Code standards; US Food Standards; British Pharmacopoeia.

Technical index:

Specification

Industrial grade

Pharmaceutical grade

Food grade

Appearance

Yellow powder

Light yellow powder

Light yellow powder

Content

≥81%

≥90%

93%-98%

Loss on drying

≤9%

≤9%

≤9%

Residue on ignition

——

≤1%

≤1%

Heavy metal

——

≤30ppm

≤20ppm

Other Index

See COA

See COA

See COA

Uses:

(1) Used for the extraction of germanium, the manufacture of acid iron ink, metal rust removal, and the raw material of mud treatment agent for oil drilling. It can produce gallic acid and pyrogallic acid, and can also be used as leather tanning agent, mordant, rubber coagulant, protein agent, alkaloid precipitation agent.

(2) Medicinal tannic acid has antibacterial, enzyme-removing and astringent effects. It is used in antibacterial, tinea, detoxification, dysentery and other medicinal preparations, and also used to synthesize sulfonamide synergists.

(3) Used in cosmetics, food antioxidants, clarifying agents for low alcohol alcohols, oil antioxidants, and also used in bromelain food processing.

Storage: Avoid moisture and light, sealed tightly, no contact with metal.

Product validity: two years.

Packing: Packed in kraft paper bag or cardboard drum, net weight 25 kg.


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2023YRS
Business Type:
Manufacturing
Country/Region:
Hunan, China
Contacts:
Manager Wang
Position Title:
Manager of foreign trade department
Tel:
0086-744-8561603
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