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
