Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

Safety Information

378178

Sigma-Aldrich

4-Chlorobutyl chloroformate

97%

Sign Into View Organizational & Contract Pricing
All Photos(1)

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

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

378178-VAR:
378178-5ML:
378178-BULK:
378178-25ML:

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
19412MI
08620HO
06529MR
06522LS
05501MQ

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Yaws CL.
Thermophysical Properties of Chemicals and Hydrocarbons, 514-514 (2014)
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
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

Questions

Reviews

No rating value

Active Filters

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service