3,4-Dichloroiodobenzene Chemical Properties

Melting point:

27-29 °C (lit.)

Boiling point:

116-118 °C (12 mmHg)

Density 

1.9882 (estimate)

refractive index 

1.6480

Flash point:

>230 °F

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

soluble in Methanol

form 

powder to lump to clear liquid

color 

White or Colorless to Yellow

Sensitive 

Light Sensitive

BRN 

2245136

CAS DataBase Reference

20555-91-3(CAS DataBase Reference)

EPA Substance Registry System

Benzene, 1,2-dichloro-4-iodo- (20555-91-3)

Safety Information

Hazard Codes 

Xi,Xn

Risk Statements 

36/37/38-20/21/22

Safety Statements 

37/39-26-36/37/39

WGK Germany 

3

Hazard Note 

Irritant/Light Sensitive

TSCA 

Yes

HS Code 

29039990

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

3,4-Dichloroiodobenzene Usage And Synthesis

Chemical Properties

beige low melting solid

Uses

3,4-Dichloroiodobenzene may be used in the preparation of:

• tetrachloromethoxybiphenyls
• 1-(3,4-dichlorophenyl)-2-trimethylsilylacetylene
• 2-(3,4-dichlorocinnamyl)isoindoline-1,3-dione

General Description

3,4-Dichloroiodobenzene undergoes Stille coupling reaction with vinyltributyltin in the presence of Pd(0)precursors to furnish styrene derivative.

3,4-Dichloroiodobenzene(20555-91-3)Related Product Information

• 1,2-Diiodobenzene
• 1,3-Dichloropropene
• Chlorobenzene
• Iodobenzene
• 2-Iodobenzoic acid
• Methyl 2-iodobenzoate
• Bromobenzene
• (Diacetoxyiodo)benzene
• Dichloroethane
• 4-Iodobenzoic acid
• 1,4-Diiodobenzene
• 2,3,5-Triiodobenzoic acid
• Thionyl chloride
• 1-Chloro-3-iodobenzene
• 1-IODO-2,4,5-TRICHLOROBENZENE
• 1-Chloro-4-iodobenzene
• 2,5-DICHLOROIODOBENZENE
• 2,4-DICHLOROIODOBENZENE