Monomethyl oxalyl chloride

• Catalog No.: 75754
• CAS Number: 5781-53-3
• M. F.: C3H3ClO3
• M. W.: 122.50712
• Purity: ≥97.0% (AT)

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 Signal Word: Danger
• GHS Hazard statements: H226-H314
• European Hazard Symbols: Corrosive (C)
• 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