α-Naphtholbenzein/4,4′-(α-Hydroxybenzylidene)di-1-naphthol/p-Naphtholbenzein

English Name: α- Naphtholbenzein； 4,4′-( α- Hydroxybenzylidene)di-1-naphthol； p-Naphtholbenzein

Other names: α- Nafutobenzene; 4 - [(4-hydroxy-1-naphthyl) phenylmethylene] - 1 (4h) - naphthone; α- P-naphthol benzene; P-naphthol benzyl alcohol; 4,4’-( α- Hydroxybenzylidene) bis (1-naphthol); α- Naphthyl naphthol quinonyl phenylmethane; α- Naphthol quinone phenyl methane; α- Naphthol quinone; α- Naphthol benzene; 1-naphthol benzene

CAS No.: 145-50-6

C27H18O2=374.43

Grade: br

PH discoloration range: 8.5 (yellow) ～ 9.8 (green)

 Physicochemical  Properties: reddish brown or dark red or brown powder. Very sensitive to carbon dioxide and acid. Soluble in ethanol, ether, benzene and glacial acetic acid, insoluble in water. Irritating.

Purpose: biochemical research. Acid base indicator, pH 8.5 (yellow) - 9.8 (green).

Save: RT, away from light