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Hubei Tianxin Biotech Co.,Ltd.

23 YRS

Hubei, China

CNY 12 Million

21312 m²

100-500 people

Main Products: Gallic Acid Monohydrate / Gallic Acid / Tannic Acid / Pyrogallol / 3,4,5-Trimethoxybenzoic Acid

Hubei, China

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Gallic acid Anhydrous / CAS 149-91-7

OVERVIEW

Uses

Packaging

25 KG/Fibre Drum; 25 KG/Woven Bag; 1000 KG/Jumbo Bag

Lead Time

In Stock

Max Capacity

100 MT/Year

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DESCRIPTION

Gallic acid Anhydrous

Product Name：gallic acid

Chemical name: 3,4,5-trihydroxybenzoic acid

Molecular formula: C₇H₆O₅.H₂O

Molecular Weight: 188.13

CAS NO: 149-91-7 (anhydrous)

Quality Standard: conform to Enterprise Standard

Iterms	Specification
Loss on drying	≤0.5%
APHA	≤250
Ignition residue	≤0.1%
Turbidity	≤10ppm
Tannic acid	≤1ppm
Sulphate	≤10ppm
Content	≥99.0%
Water solution	Clear
Industrial scale	100T/Y

Properties: white or white crystalline powder, soluble in 85 parts of water, 6 parts of ethanol, 2 parts of boiling water, slightly soluble in ether.

Usage: This product is widely used in medicine, dyes, chemicals and other industrial organic synthesis, is also used for the analysis of rare metals.

Storage: Aviod moisture and sunlight ,keep in a well-closed container.

Packaging: Woven bag with a plastic bag inside, net weight 25 kg.

Typical Properties

Gallic acid has many uses in pharmacy, ink, dye, food, light industry and organic synthesis. Gallic acid and ferric ion form blue black precipitate, which is the raw material of blue black ink; It is also used in leather industry; It can also be used as photographic developer. Propyl gallate as antioxidant can be used in edible oil to prevent odor deterioration. In medicine, gallic acid is a hemostatic astringent and a local stimulant of mild chemical book. Application: it has antibacterial effect and can treat bacillary dysentery. It has the functions of astringency, hemostasis and antidiarrhea. It can be used as preservative. It can prepare pyrogallic acid, medicine, ink, mordant dye and explosion-proof agent. It is also used as a developer and analytical reagent for the detection of free inorganic acids, dihydroxyacetone, alkaloids and metals. It can be used as preservative, medium dye and explosion-proof agent.

CAS No.

149-91-7

Formula

C7H6O5

Molecular Mass

170.12000

Exact Mass

170.02200

PSA

97.99000

Logp

0.50160

IUPAC

3,4,5-trihydroxybenzoic acid

SMILES

C1=C(C=C(C(=C1O)O)O)C(=O)O

Matter Classification

organic

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