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Oxalyl chloride_Molecular_structure_CAS_79-37-8)
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Oxalyl chloride

Catalog No. 77514 Name Sigma Aldrich
CAS Number 79-37-8 Website http://www.sigmaaldrich.com
M. F. C2Cl2O2 Telephone 1-800-521-8956
M. W. 126.9262 Fax
Purity ≥96.0% (AT) Email
Storage Chembase ID: 78496

SYNONYMS

Title
草酰氯
IUPAC name
oxalic dichloride
IUPAC Traditional name
oxalyl chloride
Synonyms
Ethanedioyl dichloride
乙二酰二氯

DATABASE IDS

MDL Number MFCD00000704
Beilstein Number 1361988
CAS Number 79-37-8
EC Number 201-200-2

PROPERTIES

Grade purum
Linear Formula ClCOCOCl
Purity ≥96.0% (AT)
Quality dist.
Boiling Point 62-65 °C(lit.)
Density 1.5 g/mL at 20 °C(lit.)
Melting Point -10--8 °C(lit.)
Refractive Index n20/D 1.429(lit.)
Vapor Density 4.4 (vs air)
Vapor Pressure 150 mmHg ( 20 °C)
GHS Pictograms GHS05
GHS Pictograms GHS06
GHS Signal Word Danger
GHS Hazard statements H314-H331-H335
European Hazard Symbols Toxic Toxic (T)
MSDS Link Download
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US)
GHS Precautionary statements P261-P280-P305 + P351 + P338-P310
RID/ADR UN 2922 8/PG 1
Risk Statements 14-23-29-34-37
Safety Statements 26-36/37/39-45
Supplemental Hazard Statements Contact with water liberates toxic gas., Reacts violently with water.
Hazard Class 8
UN Number 2922
Packing Group 1
German water hazard class 2

DETAILS

Description (English)
Application
Reactant involved in:
• Synthesis of N-heterocyclic ynones and ynediones, used to activate carboxylic acids1
• Chlorination and halogenation2
• Three-component [3+2] cycloadditions3
• Reactions with organostannanes4
• Synthesis of cyclopentenones5
• Carbonylations, used as a carbonyl synthon6
Description (简体中文)
Application
Reactant involved in:
• Synthesis of N-heterocyclic ynones and ynediones, used to activate carboxylic acids1
• Chlorination and halogenation2
• Three-component [3+2] cycloadditions3
• Reactions with organostannanes4
• Synthesis of cyclopentenones5
• Carbonylations, used as a carbonyl synthon6

REFERENCES