What is gallic acid?

Time:2023-12-05

[Chinese name] gallic acid [IUPAC name] 3,4,5-trihydroxybenzoic acid, gallic acid [English name] Gallic acid [alias] Benzoic acid, 3,4, 5-trihydroxy- [chemical name] no [molecular formula] C7H6O5; The structure of gallic acid is simple [molecular weight] 170.12 [physical properties] needle crystal (anhydrous methanol or melting point) 240. 1g melted in 87ml, 3ml boiling water, 6ml ethanol, 100m ether l, 10ml glycerol and 5ml acetone. Almost insoluble in benzene, chloroform and petroleum ether. UV λ dioxane max nm (ε): 221 (20900), 269 (9340); UV λ dioxane min nm (ε): 238 (2100); UVEtOHmax nm (ε): 216 (25700), 271 (8320); UV λ EtOHmin nm (ε): 239 (2190)[1].

Keywords: What is gallic acid?