Solvent Red 19
Name:C.I.Solvent Red 19,C.I.26050
Molecular Structure: Double azo class
C.I.Solvent Red 19,C.I.26050,CAS 6368-72-5,379.46,C24H21N5,Novasol Red RN
Molecular Formula:C24H21N5
Molecular Weight: 379.46
CAS Registry Number:6368-72-5
Manufacturing Methods :4-(Phenyldiazenyl)benzenamine diazotization, and N-ethylnaphthalen-2-amine coupling.
Properties and Applications:brilliant blue light red. Soluble in ethanol for cherry red, soluble in acetone and benzene. In concentrated sulfuric acid for brilliant green blue, blue purple for after diluted to bordeaux red
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 128-131.5 | 100-120≥ 100
Sublimation |
Insoluble | Well | No change |
List of Suppliers:
Novasol Red RN(Nova Chemical Corp)
[…] C.I.Solvent Red 19 […]