Praxair Material Safety Data Sheet
1. Chemical Product and Company Identification
Chemical Formula: C2H4O
Emergencies: * 1-800-363-0042
Praxair Canada Inc.
1 City Centre Drive
Mississauga, ON L5B 1M2
Dihydrooxirine, dimethylene oxide,
oxane, oxacyclopropane, oxidoethane,
oxiran, oxirane, 1,2 epoxyethane
*Call emergency numbers 24 hours a day only for spills, leaks, fire, exposure, or accidents involving this
product. For routine information, contact your supplier or Praxair sales representative.
2. Composition and Information on Ingredients
(Rat, 4 hrs.)
3. Hazards Identification
Cancer hazard and reproductive hazard. Toxic, extremely flammable liquid and gas under
pressure. Can form explosive mixtures with air. Can cause eye and skin burns. Can irritate
the respiratory tract. May cause nervous system damage and cataracts. Liquid may cause
frostbite. May cause dizziness and drowsiness. Symptoms of exposure may be delayed.
Self-contained breathing apparatus must be worn by rescue workers. Ethylene Oxide is highly
THRESHOLD LIMIT VALUE: TLV-TWA Data from 2007 Guide to Occupational Exposure Values (ACGIH).
TLV-TWAs should be used as a guide in the control of health hazards and not as fine lines between safe and
EFFECTS OF A SINGLE (ACUTE) OVEREXPOSURE:
May be fatal if inhaled in high concentration. Causes irritation of the respiratory tract.
Depending on the degree of exposure, there may be stinging of the nose and throat,
coughing, chest tightness, headache, nausea, vomiting, diarrhea, weakness, drowsi