1,4-Dibromo-2,5-dimethoxybenzene

CAS NO.：2674-34-2
Empirical Formula: C8H8Br2O2
Molecular Weight: 295.96
MDL number: MFCD00025694
SAFETY DATA SHEET (SDS)
Update Date: 2023-04-23 13:52:06

What is 1,4-Dibromo-2,5-dimethoxybenzene?

Chemical properties

white crystalline powder

The Uses of 1,4-Dibromo-2,5-dimethoxybenzene

1,4-Dibromo-2,5-dimethoxybenzene was used in the preparation of poly[(9,9-bis(6-(dibromohexyl)-2,7-fluorene))-alt-1,4-(2,5-dimethoxybenzene)], a water-soluble polyfluorene derivative.

Synthesis Reference(s)

The Journal of Organic Chemistry, 63, p. 3764, 1998 DOI: 10.1021/jo9721812

General Description

Crystal structure of 1,4-dibromo-2,5-dimethoxybenzene has been reported to be monoclinic and its asymmetric unit is composed of one-half of the molecule. Lithium diisopropylamide (LDA) mediated metallation of 1,4-dibromo-2,5-dimethoxybenzene has been proposed.

Properties of 1,4-Dibromo-2,5-dimethoxybenzene

Melting point:	144-149 °C (lit.)
Boiling point:	290.3±35.0 °C(Predicted)
Density	2,24 g/cm³
refractive index	1.4947 (estimate)
storage temp.	Sealed in dry,Room Temperature
form	powder to crystal
color	White to Almost white
Water Solubility	Insoluble in water.
BRN	1953103
CAS DataBase Reference	2674-34-2(CAS DataBase Reference)

Safety information for 1,4-Dibromo-2,5-dimethoxybenzene

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up.