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Solvent Red 5

Name:C.I.Solvent Red 5,C.I.11385

Molecular Structure: Single azo class

C.I.Solvent Red 5,C.I.11385,CAS 3025-77-2,292.29,C16H12N4O2,Nitra Red WO

C.I.Solvent Red 5,C.I.11385,CAS 3025-77-2,292.29,C16H12N4O2,Nitra Red WO

Molecular Formula:C16H12N4O2

Molecular Weight: 292.29

CAS Registry Number:3025-77-2

Manufacturing Methods :4-Nitrobenzenamine diazotization, and Naphthalen-2-amine coupling.

Properties and Applications:dark blue light red to dark red light purple. From ethanol to crystallize in the product is golden needle crystal, melting point 185.5 ℃ soluble in ethanol, acetone and toluene. In concentrated sulfuric acid to red light blue, dilution after magenta to red solution, there are red brown precipitation; In concentrated sodium hydroxide solution insoluble.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Poor 185.5 Well

List of Suppliers:

Nitra Red WO(Williams of Hounslow)


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