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378178

Sigma-Aldrich

4-Chlorobutyl chloroformate

97%

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About This Item

Linear Formula:
ClCO2(CH2)4Cl
CAS Number:
37693-18-8
Molecular Weight:
171.02
MDL number:
MFCD00134472
UNSPSC Code:
12352100
PubChem Substance ID:
24863546
Pricing and availability is not currently available.

Assay

97%

refractive index

n20/D 1.453 (lit.)

bp

89-90 °C/10 mmHg (lit.)

density

1.252 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

ClCCCCOC(Cl)=O

InChI

1S/C5H8Cl2O2/c6-3-1-2-4-9-5(7)8/h1-4H2

InChI key

OTDWRXBRYNVCDN-UHFFFAOYSA-N

General description

4-Chlorobutyl chloroformate is an acid halide. Its enthalpy of vaporization at boiling point has been reported.[1]
Generation of 4-chlorobutyl chloroformate is reported during the condensation of hydroxy acid with diphosgene.[2]

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H301 + H311 + H331,H314

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

204.8 °F - closed cup

Flash Point(C)

96 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
03823BU
19412MI
08620HO
06529MR
06522LS

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Shi-Kai Tian et al.
Accounts of chemical research, 37(8), 621-631 (2004-08-18)
Insights into the role played by modified cinchona alkaloids in the Sharpless asymmetric dihydroxylation inspired studies of modified cinchona alkaloids as chiral organic catalysts that lead to the development of highly enantioselective alcoholyses for the desymmetrization, kinetic resolution, and dynamic
Yaws CL.
Thermophysical Properties of Chemicals and Hydrocarbons, 514-514 (2014)
Malcolm J D'Souza et al.
International journal of molecular sciences, 21(12) (2020-06-25)
A previous study of the effect of a 2-chloro substituent on the rates and the mechanisms of the solvolysis of ethyl chloroformate is extended to the effect of a 3-chloro substituent on the previously studied solvolysis of propyl chloroformate and

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