Oxalyl chloride

Safety (MSDS) data for oxalyl chloride

General

     Synonyms: ethanedioyl chloride, oxalic acid chloride, oxalic acid dichloride, oxalyl dichloride, oxalic dichloride, oxaloyl chloride
     Molecular formula: C2Cl2O2
     CAS No: 79-37-8
     EINECS No: 201-200-2 

Physical data

     Appearance: colourless liquid
     Melting point: - 9 C
     Boiling point: 63 - 64 C
     Vapour density: 4.4 (air = 1)
     Vapour pressure:
     Density (g cm-3): 1.455
     Flash point: none
     Explosion limits:
     Autoignition temperature:
     Water solubility: decomposes

Stability

     Stable. 
     Incompatible with bases, alcohols, steel, oxidizing agents, alkali metals. 
     Moisture sensitive. 
     Reacts violently with water, liberating toxic gas.

Toxicology

     May be fatal if inhaled, swallowed or absorbed through skin. 
     Causes severe burns. 
     Extremely destructive of mucous membranes. 
     Lachrymator.

     Toxicity data
     (The meaning of any abbreviations which appear in this section is given here.)
     IHL-RAT LC50 1840 ppm/1h.

     Risk phrases
     (The meaning of any risk phrases which appear in this section is given here.)
     R14 R23 R24 R25 R43.

Transport information

     (The meaning of any UN hazard codes which appear in this section is given here.)
     CGD UK Major hazard class: 8.0. Packing group: I 

Personal protection

     Safety glasses, gloves, good ventilation.

     Safety phrases
     (The meaning of any safety phrases which appear in this section is given here.)
     S26 S36 S37 S39.