Solvent Orange 8
Name:C.I.Solvent Orange 8,C.I.12175
Molecular Structure: Single azo class
Molecular Formula:C20H14N2O
Molecular Weight: 298.34
CAS Registry Number:2653-66-9
Manufacturing Methods :Naphthalen-2-amine diazotization, and Naphthalen-2-ol coupling.
Properties and Applications: red orange (mineral oil). Melting point 176 ℃ (red brown acicular crystal). In concentrated sulfuric acid for magenta, after dilution red brown precipitation.
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | Good | 176 | ≥ 205Sublimation | Insoluble | No change | No change |
List of Suppliers:
Azo Turkish Red(Chemische Fabrik Griesheim-Elektron)