443743
4-Bromo-1,1,2-trifluoro-1-butene
97%
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About This Item
Linear Formula:
BrCH2CH2CF=CF2
CAS Number:
Molecular Weight:
188.97
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
234-019-2
MDL number:
Product Name
4-Bromo-1,1,2-trifluoro-1-butene, 97%
assay
97%
form
liquid
InChI key
GQCQMFYIFUDARF-UHFFFAOYSA-N
InChI
1S/C4H4BrF3/c5-2-1-3(6)4(7)8/h1-2H2
SMILES string
F\C(F)=C(/F)CCBr
refractive index
n20/D 1.401 (lit.)
bp
95-98 °C (lit.)
density
1.639 g/mL at 25 °C (lit.)
functional group
bromo
fluoro
Application
4-Bromo-1,1,2-trifluoro-1-butene may be used in the preparation of 1,1,2-trifluoro-1-butene, via reaction with KOH in the presence of phase-transfer catalyst, tetrabutylammonium bromide.
General description
4-Bromo-1,1,2-trifluoro-1-butene is a fluorinated building block. It reacts with potassium hydroxide in the presence of tetrabutylammonium bromide (a phase transfer catalyst) to afford 1,1,2-trifluoro-1,3-butadiene.
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
62.6 °F - closed cup
flash_point_c
17 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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1, 1, 2-Trifluoro-1, 3-butadiene: a convenient C4 intermediate for functionalized monofluoroolefins.
Matsuo N and Kende AS.
The Journal of Organic Chemistry, 53(10), 2304-2308 (1988)
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