333565
Cyclobutyl chloride
97%
Synonym(s):
Chlorocyclobutane
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About This Item
Empirical Formula (Hill Notation):
C4H7Cl
CAS Number:
Molecular Weight:
90.55
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
214-314-2
MDL number:
Assay:
97%
Form:
liquid
InChI key
STJYMUBZVMSMBP-UHFFFAOYSA-N
InChI
1S/C4H7Cl/c5-4-2-1-3-4/h4H,1-3H2
SMILES string
ClC1CCC1
assay
97%
form
liquid
refractive index
n20/D 1.436 (lit.)
bp
83 °C (lit.)
density
0.991 g/mL at 25 °C (lit.)
functional group
chloro
storage temp.
2-8°C
General description
Cyclobutyl chloride is formed by rearrangements concerted with fragmentation of cyclopropylmethoxychlorocarbene and cyclobutoxychlorocarbene. The thermal decomposition of cyclobutyl chloride was investigated over the temperature range of 892-1150K using very low-pressure pyrolysis technique.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
15.8 °F - closed cup
flash_point_c
-9 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
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Robert A Moss et al.
Journal of the American Chemical Society, 126(27), 8466-8476 (2004-07-09)
Fragmentations of cyclopropylmethoxychlorocarbene (6) and cyclobutoxychlorocarbene (10) lead to rearrangments that afford mixtures of cyclopropylmethyl chloride (7), cyclobutyl chloride (8), and 3-butenyl chloride (9). Isotopic substitution studies show that these rearrangments are accompanied by partial exchange of the methylene groups
Competitive unimolecular reactions at low pressures. The pyrolysis of cyclobutyl chloride.
King KD, et al.
International Journal of Chemical Kinetics, 11(1), 11-21 (1979)
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