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Safety Information

151440

Sigma-Aldrich

Methyl chlorooxoacetate

96%

Synonym(s):

Monomethyl oxalyl chloride, Chloroglyoxylic acid methyl ester, Methyl (chloroformyl)formate, Methyl 2-chloro-2-oxoacetate, Methyl chloroglyoxalate, Methyl oxalyl chloride

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About This Item

Linear Formula:
ClCOCOOCH3
CAS Number:
Molecular Weight:
122.51
Beilstein:
1071541
EC Number:
MDL number:
UNSPSC Code:
12352101
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

96%

reaction suitability

reagent type: oxidant

refractive index

n20/D 1.419 (lit.)

bp

118-120 °C (lit.)

density

1.332 g/mL at 25 °C (lit.)

functional group

acyl chloride
ester

SMILES string

COC(=O)C(Cl)=O

InChI

1S/C3H3ClO3/c1-7-3(6)2(4)5/h1H3

InChI key

ZXUQEPZWVQIOJE-UHFFFAOYSA-N

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Application

Reactant involved in:
  • Regioselective synthesis of fused coumarins
  • Cyclization to form substituted isoxazoles and heterocycles
  • Intramolecular Wittig reactions
  • Silyl enol ether acylation
  • Iron-mediated cleavage of C-C bonds

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

114.8 °F - closed cup

Flash Point(C)

46 °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 2 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

151440-10G:
151440-1KG:
151440-5G:
151440-500G:
151440-VAR:
151440-BULK:
151440-50G:


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