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Monomethyl oxalyl chloride_Molecular_structure_CAS_5781-53-3)
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Monomethyl oxalyl chloride

Catalog No. 75754 Name Sigma Aldrich
CAS Number 5781-53-3 Website http://www.sigmaaldrich.com
M. F. C3H3ClO3 Telephone 1-800-521-8956
M. W. 122.50712 Fax
Purity ≥97.0% (AT) Email
Storage Chembase ID: 147163

SYNONYMS

Title
甲基草酰氯
IUPAC name
methyl 2-chloro-2-oxoacetate
IUPAC Traditional name
methyl 2-chloro-2-oxoacetate
Synonyms
草酰氯甲酯
Methyl chloroglyoxalate
Chloroglyoxylic acid methyl ester
Methyl (chloroformyl)formate
Methyl 2-chloro-2-oxoacetate
Methyl oxalyl chloride
甲基戊酰氯

DATABASE IDS

CAS Number 5781-53-3
Beilstein Number 1071541
PubChem SID 24886874
MDL Number MFCD00000705
EC Number 227-307-4

PROPERTIES

Flash Point 114.8 °F
Refractive Index n20/D 1.419(lit.)
Refractive Index n20/D 1.419
Boiling Point 118-120 °C(lit.)
Density 1.332 g/mL at 25 °C(lit.)
Flash Point 46 °C
GHS Pictograms GHS02
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H226-H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 2920 8/PG 2
Risk Statements 10-34
Safety Statements 26-36/37/39-45
Hazard Class 8
UN Number 2920
Packing Group 2
German water hazard class 3
Grade purum
Linear Formula ClCOCOOCH3
Purity ≥97.0% (AT)

DETAILS

Description (English)
Application
Reactant involved in:
• Regioselective synthesis of fused coumarins1
• Cyclization to form substituted isoxazoles2 and heterocycles3
• Intramolecular Wittig reactions4
• Silyl enol ether acylation5
• Iron-mediated cleavage of C-C bonds6
Description (简体中文)
Application
Reactant involved in:
• Regioselective synthesis of fused coumarins1
• Cyclization to form substituted isoxazoles2 and heterocycles3
• Intramolecular Wittig reactions4
• Silyl enol ether acylation5
• Iron-mediated cleavage of C-C bonds6

REFERENCES