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
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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
SMILES string
ClC1CCC1
InChI
1S/C4H7Cl/c5-4-2-1-3-4/h4H,1-3H2
InChI key
STJYMUBZVMSMBP-UHFFFAOYSA-N
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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
15.8 °F - closed cup
Flash Point(C)
-9 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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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)
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
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