Disperse Orange 25 Chemical Properties

Melting point:

170 °C (dec.) (lit.)

Boiling point:

555.0±45.0 °C(Predicted)

Density 

1.19

vapor pressure 

0Pa at 20℃

pka

2.14±0.50(Predicted)

LogP

4.38 at 25℃

CAS DataBase Reference

31482-56-1(CAS DataBase Reference)

EPA Substance Registry System

Propanenitrile, 3-[ethyl[4-[(4-nitrophenyl)azo]phenyl]amino]- (31482-56-1)

Safety Information

Hazard Codes 

Xn

Risk Statements 

20/21/22-36/37/38

Safety Statements 

26-37/39

WGK Germany 

3

RTECS 

TZ4700000

Toxicity

mammal (species unspecified),LD50,oral,> 10gm/kg (10000mg/kg),Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. Vol. 27(3), Pg. 52, 1983.

MSDS

• Language:English Provider:SigmaAldrich

Disperse Orange 25 Usage And Synthesis

Chemical Properties

solid

Uses

Disperse orange 25 is an industrially utilized dye which can be used in a variety of photonic applications which include optical switches and modulators.

Preparation

4-Nitrobenzenamine diazo, and N-ethyl-N-cyanoethylaniline?coupling.

General Description

Disperse orange 25 is an azo dye that is a non-ionic, aromatic compound which can be used in p-type semiconductors. It can improve the photo-thermal properties of electrochemical devices. Its stable chemical structure and large dipole moment make it useful as a non-linear optical (NLO) material.

Flammability and Explosibility

Not classified

Properties and Applications

Red light orange. Orange uniform powder. Mainly used for polyester and their blended fabric dyeing.

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