Customization: | Available |
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CAS No.: | 149-91-7(Anhydrous);5995-86-8 (Monohydrate) |
Formula: | C7h6o5 ; C7h8o6 |
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Name: Gallic Acid Anhydrous CAS No.: 149-91-7 Standard: GB, USP, EP, BP, JIS Purity: 99.0%min |
Name: Gallic Acid Monohydrate CAS No.: 5995-86-8 Standard: GB, USP, EP, BP, JIS Purity: 99.0%min |
Gallic Acid Anhydrous | |
Item | Specification |
The amount of gallic acid content (dry basis) | 99.0 min |
Loss on drying /(%) | 0.5% max |
Tannic acid test | no cloudy |
Water dissolved experiment | no cloudy |
Chroma( Platinum - cobalt color number ) | 180 max |
Sulfate(SO42-)/(%) | 0.02%max |
Residue on ignition /(%) | 0.1% max |
Melting point | 235-240ºC |
Turbidity(NIU) | 10 max |
Tannic acid/(%) | 1max |
As | 3ppm max |
Gallic Acid Monohydrate | |
Item | Specification |
The amount of gallic acid content (dry basis) | 99.0 min |
Loss on drying /(%) | 10.0 max |
Tannic acid test | no cloudy |
Water dissolved experiment | no cloudy |
Chroma( Platinum - cobalt color number ) | 180 max |
Sulfate(SO42-)/(%) | 0.02 max |
Residue on ignition /(%) | 0.1 max |
Turbidity(NIU) | 10 max |
Tannic acid | Tannic acid |
Heavy metal | 10ppm max |
Lead | 3ppm max |
As | 3ppm max |
Gallic Acid is widely used in medicine, dyestuff, chemicals and organic synthesis, also used for the analysis of rare metal and used as antiseptic.