DISPERSE YELLOW 9 Chemical Properties

Melting point:

187-190 °C(lit.)

Boiling point:

417.22°C (rough estimate)

Density 

1.3424 (rough estimate)

refractive index 

1.6081 (estimate)

storage temp. 

Room Temperature

solubility 

DMSO (Slightly), Methanol (Slightly, Heated, Sonicated)

pka

4.22±0.10(Predicted)

color 

Dark Orange to Very Dark Orange

Water Solubility 

1.645mg/L(25 ºC)

EPA Substance Registry System

1,4-Benzenediamine, N-(2,4-dinitrophenyl)- (6373-73-5)

Safety Information

WGK Germany 

3

F 

10

MSDS

• Language:English Provider:SigmaAldrich

DISPERSE YELLOW 9 Usage And Synthesis

Uses

Disperse yellow 9 is a dye in terylene.

Uses

Disperse Yellow 9 is an azo disperse dye which is water insoluble. Disperse Yellow 9 can be used to dye polyester and acetate fibers. Dyes and metabolites, Environmental Testing.

Definition

ChEBI: Disperse yellow 9 is a nitroaniline.

Preparation

Benzene-1,4-diamine and 1-Chloro-2,4-dinitrobenzene?condensation

Properties and Applications

Dark red light yellow. Insoluble in water, but soluble in ethanol for red light yellow. The strong sulfuric acid for brown, for yellow brown after diluted. Used for polyester, vinegar fiber, three vinegar, polyamide fiber dyeing of 66, also can used for the sheepskin, fur, plastic color.

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