Solvent Brown 5
Name:C.I.Solvent Brown 5,C.I.12020
Molecular Structure: Single azo class
C.I.Solvent Brown 5,C.I.12020,CAS 2653-72-7,298.34,C20H14N2O,Oil Brown R,Oil Brown S,Carburex Red Brown B
Molecular Formula:C20H14N2O
Molecular Weight: 298.34
CAS Registry Number:2653-72-7
Manufacturing Methods :Naphthalen-1-amine diazotization, and Naphthalen-1-ol coupling.
Properties and Applications:dark brown (NC raw lacquer). Soluble in ethanol for yellow brown. In concentrated sulfuric acid for deep green light black, dilution after blue black, then there is dark brown precipitation. Dye alcohol solution to join concentrated hydrochloric acid don’t change; Add 5% sodium hydroxide solution for blue light red. Used for oil, paraffin wax, cellulose and synthetic resin paint color.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 170 | 100≥100
Sublimation |
Insoluble | Good | Good |
List of Suppliers:
Oil Brown R Haining Hongyu Chemical Co., Ltd.
Atul Oil Brown( Atul Limited )
Brown S71 AS( Mangal Vypar Pvt Ltd )
Carburex Red Brown B ( S A des Ets. Steiner )
Dayglo Solvent Brown 5 ( Day-Glo Color Corp. )
Novasol Brown F ( Nova Chemical Corp )
Oil Brown S ( S A Robama )
Permalex Black CSI( Standard Dyes )
Permalex Brown W-AP ( Standard Dyes )
Simpsol Brown G 24619 (Simpsons (UK) Ltd)
Victosol Brown ( Victordyes (India) )
Waxol Brown G ( Devarsons Industries Ltd )
Waxol Brown G( Sharda International )