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gallic acid cas 149-91-7

Assay: 98% 99%min, 99.5%min

Appearance: white powder

Capacity: 300MT per month

Packaging: 25kg/drum

Sample: available

Category: API

• Description

Description

Gallic acid Quick Details

Chemical Name: Gallic acid

CAS No.:149-91-7

Molecular Formula: C7H6O5

Molecular weight: 170.12

Gallic acidStructure:

Appearance: Colorless or light yellow liquid

Assay: Food grade anhydrous99.5%

Gallic acid Typical Properties

Item	Standard
The amount of gallic acid content (dry basis) %	99.50 min
Loss on drying%	0.50max
Tannic acid test	No cloudy
Water dissolved experiment	No cloudy
Chroma (Platinum-cobalt color number)	180 max
Turbidity	10 max
Sulfate (As SO42-) %	0.02 max
Residue on ignition %	0.1 max
CL- %	0.02 max

Gallic acid Usage

It is mainly used as a coupler of blue and black ink.

1. The pharmaceutical industry is used to prepare TMP, a sulfonamide synergist, and as a formulation for SMZ, SDB and other sulfonamides.

2. The food industry is used to prepare preservative propyl gallate.

3.The national defense industry is used to prepare explosion-proof agents. In addition, it can also be used in the production of mordant dyes and as developer, etc.

Gallic acid Packaging and Shipping

Packing: 25kg/drum

Delivery: delivery within 3-5working days

Gallic acid Storage

Avoiding light and drying

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