333565

Sigma-Aldrich

Cyclobutyl chloride

97%

Synonym(s):
Chlorocyclobutane
Empirical Formula (Hill Notation):
C4H7Cl
CAS Number:
Molecular Weight:
90.55
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

97%

refractive index

n20/D 1.436 (lit.)

bp

83 °C (lit.)

density

0.991 g/mL at 25 °C (lit.)

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.

Packaging

1, 5 g in glass bottle

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 1993BF 3 / PGII

WGK Germany

WGK 3

Flash Point(F)

15.8 °F - closed cup

Flash Point(C)

-9 °C - closed cup

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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