| Chinese name |
Gallic acid |
| English name |
Gallic acid |
| Chinese alias |
Acid; gallic acid; 3,4,5-trihydroxybenzoic acid; gallic acid (anhydrous) |
| RN CASE |
149-91-7 |
| EINECS number |
205-749-9 |
| molecular formula |
C7H6O5 |
| molecular weight |
170.1195 |
| Dangerous goods sign |
|
| Risk Terminology |
R36/37/38; |
| security terms |
S24/25; |
| physicochemical properties |
Needle-like crystals (crystallized from anhydrous methanol and chloroform), when sublimated at 210 ° C, give a stable type of crystal, 258~ 265 ° C (decomposition) and an unstable type of crystal, melting point 225~ 230 ° C. Density 1.694g/cm3 (60 ° C). Loss of crystal water at 100~ 120 ° C. 1g soluble in 87ml water, 3ml boiling water, 6ml ethanol, 100ml ether, 10ml glycerin, 5ml acetone. Insoluble in benzene, chloroform, petroleum ether. |
| purpose |
It has antibacterial effect and can treat bacillary dysentery. It has astringent, hemostatic and antidiarrheal effects. It can be used as a preservative. It can prepare pyrogallic acid, drugs, inks, mediator dyes and explosion-proof agents, etc. It is also used as a developer and an analytical reagent for detecting free inorganic acids, dihydroxyacetone, alkaloids and metals, etc. |
|
| upstream raw material |
Gallate Tannic Acid |
| downstream products |
Gallic acid, drugs, inks, media dyes, and explosion-proof agents |
