C.I. 12159
Plastic Red B
Solvent Red 13
C.I.Solvent Red 13:C.I.12159
Solvent Red 13 ISO 9001：2015 REACH
1-[(2-Methoxy-4-nitrophenyl)azo]-2-naphthol
1-[(2-Methoxy-4-nitrophenyl)diazenyl]-2-naphthol
2-Naphthalenol, 1-[2-(2-methoxy-4-nitrophenyl)diazenyl]-
2-Methoxy-4-nitrobenzenamine diazotization, and Naphthalen-2-ol coupling.
Properties and Applications
yellow red. From the glacial acetic acid in the crystallization of red needle product melting point is 269 ℃. In concentrated sulfuric acid to purple, dilution after red precipitation; In 10% of the sulfuric acid insoluble; In concentrated hydrochloric acid of insoluble; In concentrated nitric acid for wine solution; In 10% sodium hydroxide solution insoluble.
