108472
2,5-Dibromothiophene
95%
Synonym(s):
2,5-dibromo-thiophene
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About This Item
Empirical Formula (Hill Notation):
C4H2Br2S
CAS Number:
Molecular Weight:
241.93
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
221-547-3
MDL number:
Quality Level
assay
95%
refractive index
n20/D 1.629 (lit.)
bp
211 °C (lit.)
mp
−6 °C (lit.)
density
2.147 g/mL at 25 °C (lit.)
functional group
bromo
SMILES string
Brc1ccc(Br)s1
InChI
1S/C4H2Br2S/c5-3-1-2-4(6)7-3/h1-2H
InChI key
KBVDUUXRXJTAJC-UHFFFAOYSA-N
General description
2,5-Dibromothiophene polymerizes by debromination with magnesium catalyzed by nickel compounds to form poly(2,5- thienylene) .
Application
2,5-Dibromothiophene was used as starting reagent for the synthesis of α,α′-didecylquater-, -quinque- and -sexi-thiophenes. It was used in the preparation of soluble α,ω-diformyl-a-oligothiophenes.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
10 - Combustible liquids
wgk
WGK 3
flash_point_f
210.2 °F - closed cup
flash_point_c
99 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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Preparation of thermostable and electric-conducting poly (2, 5-thienylene).
Yamamoto T, et al.
Journal of Polymer Science - Part C: Polymer Letters, 18(1), 9-12 (1980)
Synthesis and thermal behaviour of α, α'-didecyloligothiophenes.
Ponomarenko S and Kirchmeyer S.
Journal of Materials Chemistry, 13(2), 197-202 (2003)
Synthesis and characterization of 3−hexyl multi−substituted α, ω−diformyl−α−oligothiophenes (n= 3, 6, 8).
Olinga T, et al.
Macromolecular Chemistry and Physics, 198(4), 1091-1107 (1997)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 108472-100G | 04061837613012 |
| 108472-25G | 04061838686046 |