Product Detail
Product Tags
Gallic Acid
Product Name
|
Gallic Acid
|
Synonyms
|
TIMTEC-BB SBB008781;RARECHEM AL BE 0070;3,4,5-trihydroxy-benzoicaci;gallic;Gallussaure;Kyselina 3,4,5-trihydroxybenzoova;Kyselina gallova;kyselina3,4,5-trihydroxybenzoova
|
CAS
|
149-91-7
|
Molecular formula
|
C7H6O5
|
Molecular Weight
|
170.12
|
Molecular Structure
|
|
Physical and Chemical Properties
|
M.P.
|
252 °C (dec.)(lit.)
|
B.P.
|
501.1°C at 760mm Hg
|
Density
|
1.694g/cm3
|
Refractive index
|
1.730
|
F.P.
|
271 °C
|
Water Solubility
|
12 g/L cold water
|
|
General Description
|
Odorless white crystalline powder
|
Usage
|
Manufac gallic acid esters, pyrogallol, inks, as photographic developer, in tanning, in dyeing, in testing for free mineral acids, dihydroxyacetone and alkaloids. Esters as antioxidants. Formerly as astringent, styptic. |
Packing
|
25kg/drum
|
Storage condition
|
Do not store in direct sunlight. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from light. |
Specifications
|
Items
|
Standard
|
Appearance
|
White crystalline powder
|
Assay(HPLC)
|
≥99%
|
Residue on ignition
|
≤0.1%
|
Loss on Drying
|
≤10%
|
Tannic acid
|
1.0ppm max
|
Sulphates
|
0.02% max
|
Turbidity
|
10.0ppm max
|
Previous: Ethoxy methylene malonic diethylester (EMME)
Next: Gluconic Acid