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: Tags: , , ,

Description

Gallic acid
Gallic acid Quick Details
Chemical Name: Gallic acid
CAS No.:149-91-7
Molecular Formula: C7H6O5
Molecular weight: 170.12
Gallic acidStructure:
Appearance: white powder
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 acidUsage
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 acidPackaging and Shipping
Packing: 25kg/drum
Delivery: delivery within 3-5working days
Gallic acidStorage
Avoiding light and drying

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