CHEMICAL FACT SHEET for emergency responders

 

CHEMICAL:

Acetylene

 

C2H2

1001

74-86-2

116

 

 

 

0

4

3

Chemical Formula

UN #

C.A.S. #

ERG . #

Hazardous Substance

Extremely Hazardous Substance

RQ

Health

Fire

Reactivity

 

Characteristics

Exposure Limits

 

Common Uses

Appearance:

Colorless gas, faint odor

LEL:

2.5%

 

 

Compressed gas for welding/cutting metals

 

 

Vapor Density

0.9

UEL:

100%

Specific Gravity:

N/a

IDLH:

 

Flash Point:

-18 C

STEL:

 

Auto Ignit.:

299 C

PEL:

 

Vapor Pressure:

4460 @ 20C

 

 

pH:

 

 

 

 

 

 

 

 

Emergency Response PPE (Fire Fighters)

 

Hazards

Respiratory: 

SCBA

 

 

Flammable gas, asphyxiant, may cause frostbite

Eye/Face/Body: 

                           Face shield or goggles, avoid skin contact (frostbite)

 

 

 

 

 

Emergency Medical Actions

 

Incompatible

 

Move victim to fresh air, provide oxygen

Irrigate exposed areas with water, check for frostbite.

 

 

Zinc, copper, oxidizers

 

 

 

 

 

Notes

 

Initial and Protective Action Distances

 

Hazardous polymerization may occur when heated

 

 

Small Spills <>

Dry chem. Fire extinguisher

 

 

Large Spills <>

Large volume water spray, isolate for at least 100 meters

 

 

 

Emergency Response Actions

 

Shut off fuel, do not extinguish leaking gas fire.