4,6-DIMETHYL-1,2-PHENYLENEDIAMINE Chemical Properties

Melting point:

127-129 °C (lit.)

Boiling point:

279.6±35.0 °C(Predicted)

Density 

1.076±0.06 g/cm3(Predicted)

storage temp. 

2-8°C

pka

5.02±0.10(Predicted)

form 

Crystalline Mass, Crystals or Chunks

color 

White to yellow to brownish

Water Solubility 

Slightly soluble in water.

Sensitive 

Air & Light Sensitive

CAS DataBase Reference

3171-45-7(CAS DataBase Reference)

EPA Substance Registry System

1,2-Benzenediamine, 4,5-dimethyl- (3171-45-7)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38-36

Safety Statements 

26-36

RIDADR 

2811

WGK Germany 

3

Hazard Note 

Irritant

TSCA 

Yes

HazardClass 

6.1(a)

PackingGroup 

II

HS Code 

29212900

MSDS

• Language:English Provider:SigmaAldrich

4,6-DIMETHYL-1,2-PHENYLENEDIAMINE Usage And Synthesis

Chemical Properties

White to light brown solid

Uses

Employed in the preparation of transition metal complexes1 and quinoxalinones.2

Uses

4, 5-dimethyl-o-phenylenediamine used in the determination of aromatic aldehydes by high performance liquid chromatography after precolumn fluorescent derivatization. For the determination of vanillin.

Synthesis Reference(s)

Tetrahedron Letters, 42, p. 2277, 2001 DOI: 10.1016/S0040-4039(01)00163-0

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