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Solvent Black 4

Name:C.I.Solvent Black 4,C.I.26040

Molecular Structure: Double azo class

C.I.Solvent Black 4,C.I.26040,CAS 6368-71-4,429.53,C28H23N5,Organol Black R

C.I.Solvent Black 4,C.I.26040,CAS 6368-71-4,429.53,C28H23N5,Organol Black R

Molecular Formula:C28H23N5

Molecular Weight: 429.53

CAS Registry Number:6368-71-4

Manufacturing Methods :aniline diazotization, and Naphthalen-1-amine coupling, and its product to diazotization, and N-Ethylnaphthalen-1-amine coupling.

Properties and Applications:red light black. Insoluble in water, soluble in ethanol, acetone and water. In concentrated sulfuric acid for yellow chestnut, after dilution for green yellow.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good Insoluble

List of Suppliers:

Organol Black R(Francolor Pigments SA)


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