51868-46-3

Basic information

• Product Name: Disperse Blue 291G
• Synonyms: N-[2-[(2-bromo-4,6-dinitrophenyl)azo]-5-(diallylamino)-4-methoxyphenyl]acetamide;C.I. Disperse Blue 291G press cake;Acetamide, N-2-(2-bromo-4,6-dinitrophenyl)azo-5-(di-2-propenylamino)-4-methoxyphenyl-;N-[2-[(2-bromo-4,6-dinitrophenyl) azo]-5-(di-2-propenylamino)-4-methoxyphenyl]-Acetamide;DISPERSE BLUE 291G;2'-(2-Bromo-4,6-dinitrophenylazo)-4'-methoxy-5'-(diallylamino)acetanilide;2'-(2-Bromo-4,6-dinitrophenylazo)-5'-diallylamino-4'-methoxyacetanilide;2-(Acetylamino)-2'-bromo-4-(diallylamino)-4',6'-dinitro-5-methoxyazobenzene
• CAS NO: 51868-46-3
• Molecular Formula: C₂₁H₂₁BrN₆O₆
• Molecular Weight: 533.33204
• EINECS: 257-486-4
• Product Categories: Organics
• Mol File: 51868-46-3.mol
• Article Data: 5

Chemical Properties

• Boiling Point: 716.2°Cat760mmHg
• Flash Point: 387°C
• Appearance: /
• Density: 1.47g/cm³
• Vapor Pressure: 2.31E-20mmHg at 25°C
• Refractive Index: 1.624
• PKA: 13.39±0.70(Predicted)
• Water Solubility: 52.2μg/L at 20℃
• CAS DataBase Reference: Disperse Blue 291G(CAS DataBase Reference)
• NIST Chemistry Reference: Disperse Blue 291G(51868-46-3)
• EPA Substance Registry System: Disperse Blue 291G(51868-46-3)

Safety Data

• Hazardous Substances Data: 51868-46-3(Hazardous Substances Data)

Usage

Uses

Disperse Blue 373 have adverse effect on soil and water environment and is a major mutagen in environmental system. This dye is released by textile industry

Flammability and Explosibility

Notclassified

InChI:InChI=1/C21H21BrN6O6/c1-5-7-26(8-6-2)18-11-16(23-13(3)29)17(12-20(18)34-4)24-25-21-15(22)9-14(27(30)31)10-19(21)28(32)33/h5-6,9-12H,1-2,7-8H2,3-4H3,(H,23,29)/b25-24+

Upstream product

• 51868-45-2 3-(N,N-diprop-2-enamino)-4-methoxyacetanilide 
• 1817-73-8 2-bromo-4,6-dinitroaniline 
• 7782-78-7 nitrosylsulfuric acid 

Relevant articles and documents

Composition of Black Disperse Dye

The present invention relates to a black disperse dye composition, more specifically, to a black disperse dye composition capable of improving the milling efficiency of a blue dye component of a black disperse dye and increasing, water dispersibility, improving aging stability, (clogging) color fastness during fiber dyeing. (by machine translation)

Azo disperse dye mixtures

The present invention refers to a dye mixture comprising an azo dye of the formula (I) wherein each of X and X1independently is chlorine or bromine; R1is absent or is C1-4alkyl; and each of R2and R3independently is hydrogen, C1-6alkyl or cyanoethyl; but when R1is absent, R2is n-butyl or cyanoethyl and R3is cyanoethyl; and further dye components according to claim 1, a method for the preparation of such mixtures and a method for coloring a synthetic textile material or fiber blend thereof using such mixtures.

Azo disperse dye mixtures

The present invention refers to a dye mixture comprising an azo dye of the formula (I) whereineach of X and X1 independently is chlorine or bromine;R1 is absent or is C1-4 alkyl; andeach of R2 and R3 independently is hydrogen, C1-6 alkyl or cyanoethyl;but when R1 is absent, R2 is n-butyl or cyanoethyl and R3 is cyanoethyl;and further dye components according to claim 1,a method for the preparation of such mixtures and a method for colouring a synthetic textile material or fibre blend thereof using such mixtures.