4-Phenylazophenol/4-Hydroxy-azo-benzene/Solvent yellow 7/C.I. 11800

English Name: 4-phenylazophenol; 4-Hydroxy-azo-benzene；  Solvent yellow 7； C.I. 11800

Other names: p-hydroxyazobenzene; P-phenylazophenol; 4-phenylazophenol; Solvent Yellow 7; 4-n-phenylbenzamide

CAS No.: 1689-82-3

C12H10N2O=198.22

Grade: br

Content: ≥ 98.0%

Melting point: 150 ~ 155 ℃

Physicochemical properties : Orange prism crystal. It is soluble in ethanol and ether, soluble in benzene, soluble in dilute alkali solution and concentrated sulfuric acid to form a yellow solution, insoluble in water. Melting point: 155 ～ 157 ℃. Boiling point 220 ~ 230 ℃ (2.66kpa). The maximum absorption wavelength is 347nm. Half lethal dose (mouse, abdominal cavity) 75mg / kg. Irritating.

Purpose: biochemical research. Acid base indicator for non-aqueous titration. Organic synthesis

Save: RT, away from light