C5H10	1108	109-67-1	127	--	--	--	2	4	0
Chemical Formula	UN #	C.A.S. #	ERG . #	Hazardous Substance	Extremely Hazardous Substance	RQ	Health	Fire	Reactivity

Characteristics		Exposure Limits			Common Uses
Appearance:	Colorless liquid; Unpleasant Odor	LEL:	1.5%
		UEL:	8.7%
Specific Gravity:	0.7	IDLH:
Flash Point:	-18øC, 0øF	STEL:
Auto Ignit.:	527øF	PEL:
Vapor Pressure:	--	ERPG2:	NA
Boiling Point:	86øF	ERPG3:	NA
Emergency Response PPE (Fire Fighters)					Hazards
Respiratory: Half Face Respirator with chemical cartridge up to 1000ppm SCBA or Supplied air Respirator with escape pack for >1000ppm					Extremely Flammable Skin/eye/respiratory irritant Can cause difficulty breathing
Eye/Face/Body: If not wearing a full face respirator, wear goggles, face shield and chemical protective clothing.
Emergency Medical Actions					Incompatible
Remove from contaminated area, remove contaminated clothing. Respiratory assistance/CPR as needed. Flush with copious amounts of water for 15 minutes. If concious, give water, do not induce vomiting.					Oxidizers Halogens Acids
Notes					Initial and Protective Action Distances
Keep out of sewers and water supplies Lighter than water, heavier than air. Extremely flammable Synonyms: n-amylene, methyl butene, propulethylene					Small Spills <> Eliminate ignition sources Water spray to reduce vapors Absorb w/sand or other non-ombustible material	Large Spills <> Same as small spill; Dike far ahead of spill.

Emergency Response Actions

Remain upwind, avoid low areas Allow to burn until leak can be stopped. Cool exposed containers from safe distance; stay away from ends of containers Small fire: dry-chem., CO2, Alcohol resistant foam Large fire: Alcohol resistant foam or water spray. Do not scatter material with high-pressure water streams. Apply water from safe distance or protected location. 1/99