Solvent Red 4
Name:C.I.Solvent Red 4,C.I.12170
Molecular Structure: Single azo class
Molecular Formula:C20H14N2O
Molecular Weight: 298.34
CAS Registry Number:2653-64-7
Manufacturing Methods :Naphthalen-1-amine diazotization and Naphthalen-2-ol coupling.
Properties and Applications:yellow red. From toluene in the crystallization product melting point 224 ℃. Soluble in hot ethanol and benzene in red. In concentrated sulfuric acid to red light blue, dilution to red light purple solution, and then have red brown precipitation. Dye ethanol solution to join concentrated hydrochloric acid is dark red; Join concentrated sodium hydroxide solution for bright red light brown. Mainly used in oil, fat and wax, soap coloring.
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | General | 220 | 150≥ 220
Sublimation |
Insoluble | No change | No change |
List of Suppliers:
Dayglo Solvent Red 04( Day-Glo Color Corp. )
Dayglo Solvent Red 4 ( Day-Glo Color Corp. )
Novasol Red F ( Nova Chemical Corp )
Oil Red B( S A Robama )
Oil Red GDC-1 ( Golden Dyes Corpn (India) Pvt Ltd )
Permalex Red BGS( Standard Dyes )
Simpsol Bordeaux 24610(Simpsons (UK) Ltd)
Waxol Bordeaux DNN( Devarsons Industries Ltd )
[…] concentrated hydrochloric acid is dark red; With strong caustic for brilliant red light brown. And C.I.Solvent Red 4 the same chemical […]
[…] concentrated hydrochloric acid is dark red; With strong caustic for brilliant red light brown. And C.I.Solvent Red 4 the same chemical […]