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 Segment
assay
95%
refractive index
n
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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