Praxair Material Safety Data Sheet
1. Chemical Product and Company Identification
Chemical Formula: C4H8
Emergencies: * 1-800-363-0042
Praxair Canada Inc.
1 City Centre Drive
Mississauga, ON L5B 1M2
Butylene, Alpha Butylene, Ethylethylene
*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
Flammable, high-pressure gas. May form explosive mixture with air. Can cause rapid
suffocation. May cause dizziness and drowsiness. Self-contained breathing apparatus may be
required by rescue workers.
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:
Asphyxiant. Effects are due to lack of oxygen. Moderate concentrations may cause
headaches, drowsiness, dizziness, excitation, excess salivation, vomiting, and
unconciousness. Lack of oxygen can kill.
No harm expected from vapour. Liquid may cause frostbite.
A highly unlikely route of exposure, but frosbite of the lips and mouth may result from contact
with the liquid. This product is a gas at normal temperature and pressure.
Swallowing. Inhalation. Skin contact. Eye contact.
No evidence of adverse effects from available information.