Dimethyl yellow/N,N-Dimethyl-4-phenylazoaniline/N,N-Dimethyl-4-(phenylazo)benzenamine

English Name: Dimethyl Yellow; N,N-Dimethyl-4-phenylazoaniline； N,N-Dimethyl-4-(phenylazo)benzenamine； C.I. Solvent yellow 2； p-Dimethylaminoazobenzene； Butter yellow； Oil yellow； C.I. 11020

Other names: methyl yellow; P-dimethylaminoazobenzene; Cream yellow; Solvent yellow 2; N. N-dimethyl-4 - (phenylazo) - aniline

CAS No.: 60-11-7

C14H15N3=225.29

Grade: ind

PH discoloration range: 2.9 (red) ～ 4.0 (yellow)

Melting point: 113 ~ 117 ℃

Ethanol dissolution test: acceptable

Burning residue: ≤ 0.3%

Drying loss: ≤ 0.1%

Physicochemical Properties: golden yellow flake or orange yellow powder. Soluble in ethanol, benzene, chloroform, ether, petroleum ether, strong acid and oil, insoluble in water. The melting point is 114 ~ 117 ℃. Moderate toxicity, median lethal dose (rat, oral) 200mg/kg. It may cause cancer.

Purpose: biochemical research. Acid base indicator. Determine free hydrochloric acid in gastric juice. Drip test of peroxide fat

Save: RT, away from light