1-Bromo-2,5-dimethoxybenzene

CAS NO.：25245-34-5
Empirical Formula: C8H9BrO2
Molecular Weight: 217.06
MDL number: MFCD00008355
EINECS: 246-756-7
SAFETY DATA SHEET (SDS)
Update Date: 2025-07-24 18:13:48

What is 1-Bromo-2,5-dimethoxybenzene?

Chemical properties

clear colorless to yellowish liquid

The Uses of 1-Bromo-2,5-dimethoxybenzene

1-Bromo-2,5-dimethoxybenzene has been used in preparation of:

S-(-)-2-[N-(trifluoroacetyl)amino]-1-(2,5-dimethoxy-4- bromophenyl)-1-propanone
1,4-bis{4-[2-(4-pyridyl)ethenyl]phenyl}butadiyne and 1,4-bis{2,5-dimethoxy-4-[2-(4-pyridyl)ethenyl]phenyl}butadiyne
1-bromo-4-iodo-2,5-dimethoxybenzene

The Uses of 1-Bromo-2,5-dimethoxybenzene

2-Bromo-1,4-dimethoxybenzene has been used in preparation of S-(-)-2-[N-(trifluoroacetyl)amino]-1-(2,5-dimethoxy-4- bromophenyl)-1-propanone, 1,4-bis{4-[2-(4-pyridyl)ethenyl]phenyl}butadiyne and 1,4-bis{2,5-dimethoxy-4-[2-(4-pyridyl)ethenyl]phenyl}butadiyne and 1-bromo-4-iodo-2,5-dimethoxybenzene. It can be used as a chemical redox shuttle additive in Lithium ion batteries for repeated overcharge and overdischarge protection.

Properties of 1-Bromo-2,5-dimethoxybenzene

Boiling point:	130-131 °C/10 mmHg (lit.)
Density	1.445 g/mL at 25 °C (lit.)
refractive index	1.569-1.571
Flash point:	>110°C
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
form	clear liquid
color	Colorless to Light yellow
Specific Gravity	1.445
Water Solubility	Insoluble in water.
BRN	2441884
InChI	InChI=1S/C8H9BrO2/c1-10-6-3-4-8(11-2)7(9)5-6/h3-5H,1-2H3
CAS DataBase Reference	25245-34-5(CAS DataBase Reference)
NIST Chemistry Reference	1-Bromo-2,5-dimethoxybenzene(25245-34-5)
EPA Substance Registry System	Benzene, 2-bromo-1,4-dimethoxy- (25245-34-5)

Safety information for 1-Bromo-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. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.