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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

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)


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