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Key Documents

23181

Sigma-Aldrich

Chloromethyl chloroformate

≥98.0% (GC)

Synonym(s):

1-Chloromethyl chloroformate, Chloroformic acid chloromethyl ester, Chloromethoxycarbonyl chloride, Chloromethyl carbonochloridate, Chloromethyl chlorocarbonate

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About This Item

Linear Formula:
ClCOOCH2Cl
CAS Number:
Molecular Weight:
128.94
Beilstein:
506426
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥98.0% (GC)

form

liquid

refractive index

n20/D 1.428

bp

107-108 °C (lit.)

density

1.450 g/mL at 20 °C

functional group

chloro

storage temp.

2-8°C

SMILES string

ClCOC(Cl)=O

InChI

1S/C2H2Cl2O2/c3-1-6-2(4)5/h1H2

InChI key

JYWJULGYGOLCGW-UHFFFAOYSA-N

Application

Chloromethyl chloroformate was used as key reactant in the synthesis of:
  • novel aminocarbonyloxymethyl esters of diclofenac and flufenamic acid
  • highly water-soluble monomethoxypoly(ethyleneglycol) prodrugs of cyclosporin A
  • series of 3-acyloxymethyloxycarbonyl-1-aryl-3-methyltriazenes

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - 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)

203.0 °F - closed cup

Flash Point(C)

95 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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