Pigment Red 48
Name:C.I.Pigment Red 48,C.I.15865
Molecular Structure: Single azo
Molecular Formula:C18H11ClN2Na2O6S
Molecular Weight: 464.79
CAS Registry Number:3564-21-4,16013-44-8
Manufacturing Methods :2-Amino-4-chloro-5-methylbenzenesulfonic acid diazotization, and 3-Hydroxy-2-naphthoic acid coupling.
Properties and Applications:brilliant red. In concentrated sulfuric acid for wine red, after dilution blue light red precipitation; In concentrated nitric acid for brown light red; In concentrated sodium hydroxide solution to red.
List of Suppliers:
Fast Scarlet (Sinochem Liaoning Import & Export Corporation)
Global Pigment Red 48( Global Colors Inc. )
Lithol Fast Scarlet L(Classic Dyestuffs Inc)
Permanent Red 2B(Sinochem Liaoning Import & Export Corporation)
Permanent Red BB( Hoechst A G )
Watching Red ( Kaseihin Kogyo Kyokai )