1,4-Diiodobenzene Chemical Properties

Melting point:

131-133 °C (lit.)

Boiling point:

285 °C (lit.)

Density 

2.350

refractive index 

1.6212

Flash point:

285°C

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

form 

Crystalline Powder

color 

White to beige

Water Solubility 

Soluble in ether and ethanol. Insoluble in water.

Sensitive 

Light Sensitive

BRN 

1904546

Dielectric constant

2.8799999999999999

InChIKey

LFMWZTSOMGDDJU-UHFFFAOYSA-N

CAS DataBase Reference

624-38-4(CAS DataBase Reference)

NIST Chemistry Reference

Benzene, 1,4-diiodo-(624-38-4)

EPA Substance Registry System

Benzene, 1,4-diiodo- (624-38-4)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

22-24/25

WGK Germany 

3

F 

8

TSCA 

Yes

HS Code 

29036990

MSDS

• Language:English Provider:1,4-Diiodobenzene
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

1,4-Diiodobenzene Usage And Synthesis

Chemical Properties

white to light yellow crystal powder

Uses

1,4-Diiodobenzene is used in Suzuki reaction. It is used as a precursor in the preparation of martinellic acid and 1,4-bis(p-R-phenylethynyl)benzenes. Further, it is employed in the preparation of 1,4-diiodo-2,5-didodecylbenzene , which is a starting reagent for the synthesis of oligo(1,4-phenylene ethynylene). It is also used in human and animal nutrition products including antiseptics and disinfectants. In addition to this, it used in polarizing films for liquid crystal display chemicals.

Purification Methods

Crystallise it from EtOH or boiling MeOH, then dry it in air. [Beilstein 5 IV 700.]

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