Oxalyl chloride
[CAS# 79-37-8]

Identification

• Classification: Chemical pesticide >> Insecticide intermediate
• Name: Oxalyl chloride
• Synonyms: Oxalyl dichloride; Ethanedioyl dichloride
• Molecular Formula: C₂Cl₂O₂
• Molecular Weight: 126.93
• CAS Registry Number: 79-37-8
• EC Number: 201-200-2

Properties

• Density: 1.335
• Melting point: -9 ºC
• Boiling point: 62-65 ºC
• Decomposition: 176-178 ºC
• Refractive index: 1.429
• Water solubility: reacts

Safety Data

• Hazard Symbols: T;C
• Risk Codes: R14;R23/24/25;R29;R34;R40
• Safety Description: S26;S36/37/39;S45;S8

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H331
Serious eye damage	Eye Dam.	1	H318
Skin corrosion	Skin Corr.	1B	H314
Substances or mixtures which in contact with water emit flammable gases	Water-react.	1	H260
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1C	H314
Acute toxicity	Acute Tox.	3	H301
Skin corrosion	Skin Corr.	1A	H314
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	4	H302
Hazardous for the ozone layer	Ozone 99	1	H420
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Acute toxicity	Acute Tox.	1	H330

• Transport Information: UN 2922