Solvent Yellow 56 Chemical Properties

Melting point:

94-96°C

Boiling point:

386.54°C (rough estimate)

Density 

1.0901 (rough estimate)

vapor pressure 

0Pa at 25℃

refractive index 

1.6470 (estimate)

storage temp. 

-20°C

solubility 

Chloroform (Sparingly), DMSO (Slightly, Sonicated)

pka

3.41±0.50(Predicted)

form 

A solid

Colour Index 

11021

color 

Dark Orange to Very Dark Orange

Water Solubility 

264μg/L at 25℃

LogP

5.27

CAS DataBase Reference

2481-94-9(CAS DataBase Reference)

EPA Substance Registry System

C.I. Solvent Yellow 56 (2481-94-9)

Safety Information

Risk Statements 

20/21/22-36/37/38-68

Safety Statements 

26-36/37/39-60-36/37

RTECS 

CX9871000

TSCA 

Yes

HS Code 

29299090

Toxicity

mma-sat 1 mg/plate EPASR* 8EHQ-0982-0455

MSDS

• Language:English Provider:ALFA

Solvent Yellow 56 Usage And Synthesis

Chemical Properties

Light brown powder

Uses

4-(Diethylamino)azobenzene (cas# 2481-94-9) is a useful research chemical. Dyes and metabolites, Environmental Testing.Is used in dyeing method of polyolefin fiber or fabric using organic solvent and solvent dye.

Definition

ChEBI: An azobenzene that is N,N-diethylaniline substituted at position 4 by a phenylazo group.

Preparation

aniline diazotization, and N,N-diethylbenzenamine coupling.

Flammability and Explosibility

Not classified

Safety Profile

Mutation data reported. Whenheated to decomposition it emits toxic fumes of NOx.

Properties and Applications

red light yellow. Deep red powder. Insoluble in water, soluble in a variety of solvent. Used for oil, wax, fat class material coloring. Also can be used for plastic, printing ink, paint, etc coloring, and can also be used to smoke dye.

Solvent Yellow 56(2481-94-9)Related Product Information

• N,N-Diethylaniline
• Diethyl carbonate
• Triphenylphosphine
• Solvent Blue 36
• Solvent Yellow 33
• Hydroxyethyl Cellulose
• 2-Ethylaniline
• Solvent Yellow 2
• Ethyl maltol
• 4-AMINOAZOBENZENE
• 2,2'-Azobis(2-methylpropionitrile)
• Phosphorus
• Mefenpyr-diethyl
• Solvent Yellow 114
• Diphenylamine
• N-Methylaniline
• Diethyl malonate
• Diethyl phthalate