Solvent Blue 2
Name:C.I.Solvent Blue 2,C.I.42563:1
Molecular Structure: triarylmethane class
C.I.Solvent Blue 2,C.I.42563:1,CAS 1325-85-5,501.66,C34H35N3O,Neptun Blue Base 634
Molecular Formula:C34H35N3O
Molecular Weight: 501.66
CAS Registry Number:1325-85-5
Manufacturing Methods : N-methyl-N-phenylnaphthalen-1-amine and 4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine reaction, and then will product (C.I. Basic Blue 8) made free base.
Properties and Applications:brilliant red light blue (NC raw lacquer). Soluble in cold water, soluble in hot water and ethanol for blue. In concentrated sulfuric acid for yellow brown, after diluted for the green, then become yellow brown. Dye aqueous solution to join sodium hydroxide have purple brown precipitation.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | 110 | 110 | Insoluble | No change | Dissole |
List of Suppliers:
Neptun Blue Base 634(BASF Aktiengesellschaft)