3,4-Dibromothiophene

CAS NO.：3141-26-2
Empirical Formula: C4H2Br2S
Molecular Weight: 241.93
MDL number: MFCD00005465
EINECS: 221-546-8
SAFETY DATA SHEET (SDS)
Update Date: 2026-01-13 11:16:47

What is 3,4-Dibromothiophene ?

Chemical properties

3,4-Dibromothiophene is clear colorless to yellow liquid

The Uses of 3,4-Dibromothiophene

3,4-Dibromothiophene was used in the preparation of thieno[3,4-b]thiophene. It was aslo used as starting material in the synthesis of alkyl substituted, fused thiophenes.

The Uses of 3,4-Dibromothiophene

3,4-Dibromothiphene is used in the synthesis of thiophene-estrogen receptor ligands which contain superagonist activities when involving luciferase in genes in human cells giving 2-3 times the activit y of estradiol. Also used in the synthesis of supercapacitors for use as charge storage applications.

What are the applications of Application

3,4-Dibromothiophene is used as starting material in the synthesis of alkyl substituted, fused thiophenes

General Description

Double photoionization spectra of 3,4-dibromothiophene has been investigated by coincidence spectroscopy technique based on electron time-of-flight measurement.

Properties of 3,4-Dibromothiophene

Melting point:	4-5 °C (lit.)
Boiling point:	221-222 °C (lit.)
Density	2.188 g/mL at 25 °C (lit.)
refractive index	n20/D 1.640(lit.)
Flash point:	>230 °F
storage temp.	Keep in dark place,Sealed in dry,Room Temperature
form	Liquid
color	Clear colorless to yellow
Specific Gravity	2.188
BRN	107642
CAS DataBase Reference	3141-26-2(CAS DataBase Reference)
NIST Chemistry Reference	Thiophene, 3,4-dibromo-(3141-26-2)

Safety information for 3,4-Dibromothiophene

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.