Gallic Acid Monohydrate Powder Anhydrous Gallic Acid Powder
Anhydrous gallic acid, a polyphenolic organic compound, is widely found in plants such as Rheum palmatum, Eucalyptus grandis, Cornus officinalis, and has a wide range of applications in food, biology, medicine, chemistry and other fields.
Description
Description
Product Name: Gallic Acid Anhydrous
CAS number: 149-91-7
Standard: GB, USP, EP, BP, JIS
Purity: no less than 99.0 percent
Product Name: Gallic Acid Monohydrate
CAS number: 5995-86-8
Standard: GB, USP, EP, BP, JIS
Purity: no less than 99.0 percent
Certificate of Authenticity
|
Gallic acid anhydrous |
|
|
Element |
Specification |
|
Gallic acid content (on dry basis) |
99.0 min. |
|
Drying loss /(%) |
0.5% max. |
|
Tannic acid test |
cloudless |
|
Water dissolution experiment |
cloudless |
|
Chroma (platinum - cobalt color number) |
180 max. |
|
Sulfate (SO42-)/( percent ) |
0.02 percent max. |
|
Residue on ignition /(%) |
0.1% max. |
|
Melting temperature |
235-240 degrees |
|
Turbidity (NIU) |
10 max. |
|
Tannic acid/(%) |
1max |
|
How |
3 ppm max. |
|
gallic acid monohydrate |
|
|
Element |
Specification |
|
Gallic acid content (on dry basis) |
99.0 min. |
|
Drying loss /(%) |
10.0 max. |
|
Tannic acid test |
cloudless |
|
Water dissolution experiment |
cloudless |
|
Chroma (platinum - cobalt color number) |
180 max. |
|
Sulfate (SO42-)/( percent ) |
0.02 max. |
|
Residue on ignition /(%) |
0.1 max. |
|
Turbidity (NIU) |
10 max. |
|
Tannic acid |
Tannic acid |
|
Heavy metal |
10 ppm max. |
|
News |
3 ppm max. |
|
How |
3 ppm max. |
Packaging and delivery
25 kg/drum
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