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HomeProduct name listSolvent Red 32

Solvent Red 32

Solvent Red 32 Structural

What is Solvent Red 32?

Preparation

2-Methyl-4-(o-tolyldiazenyl)benzenamine diazotization, with 4-Hydroxynaphthalene-2,7-disulfonic acid coupling, and then translate into dicyclohexyl amine salt.

Properties and Applications

blue light red. Dark red powder. Soluble in water for magenta to red, soluble in ethanol to red. In concentrated sulfuric acid for dark blue, after dilution for brown. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join strong caustic for red sauce. Used for plastic, grease, ink and paint color.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good 120(1hr) Well Poor Poor

Safety information for Solvent Red 32

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