1-BROMO-2-ETHYNYLBENZENE Chemical Properties

Boiling point:

92-93 °C20 mm Hg(lit.)

Density 

1.443 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.595(lit.)

Flash point:

147 °F

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

Acetone, Dichloromethane, Ethyl Acetate, Hexane

form 

Oil

color 

Colourless

Stability:

Light and Temperature Sensitive.

CAS DataBase Reference

766-46-1(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-36

RIDADR 

NA 1993 / PGIII

WGK Germany 

3

HS Code 

2903998090

MSDS

• Language:English Provider:SigmaAldrich

1-BROMO-2-ETHYNYLBENZENE Usage And Synthesis

Chemical Properties

Colourless Oil

Uses

1-Bromo-2-ethynylbenzene may be used in the synthesis of 1-(2-bromophenyl)-2-(dibenzo[b,d]thiophen-4-yl)ethanone.

Uses

Starting material for heterocyclotriynes, second-order nonlinear optical materials, and unsymmetrical 1,4-diarylbutadiynes

Synthesis Reference(s)

Tetrahedron Letters, 22, p. 2495, 1981 DOI: 10.1016/S0040-4039(01)92942-9

General Description

1-Bromo-2-ethynylbenzene (BEB) is a haloalkyne. It undergoes Sonogashira coupling with methyl 2-iodobenzoate to form bromo tolane derivative.

1-BROMO-2-ETHYNYLBENZENE(766-46-1)Related Product Information

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