N-Ethyl-4-[[4-(phenylazo)-1-naphtyl]azo]-1-naphthalenamine

CAS NO.：6368-71-4
Empirical Formula: C28H23N5
Molecular Weight: 429.52

What is N-Ethyl-4-[[4-(phenylazo)-1-naphtyl]azo]-1-naphthalenamine?

Preparation

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

Properties of N-Ethyl-4-[[4-(phenylazo)-1-naphtyl]azo]-1-naphthalenamine

Boiling point:	669.7±45.0 °C(Predicted)
Density	1.18±0.1 g/cm3(Predicted)
pka	3.55±0.40(Predicted)

Safety information for N-Ethyl-4-[[4-(phenylazo)-1-naphtyl]azo]-1-naphthalenamine

Computed Descriptors for N-Ethyl-4-[[4-(phenylazo)-1-naphtyl]azo]-1-naphthalenamine

N-Ethyl-4-[[4-(phenylazo)-1-naphtyl]azo]-1-naphthalenamine manufacturer

Chromex Dyes

Mumbai

product: Solvent black 4

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