CHEMICAL FACT SHEET for emergency
responders
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CHEMICAL: |
Acetylene |
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C2H2 |
1001 |
74-86-2 |
116 |
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0 |
4 |
3 |
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Chemical Formula |
UN # |
C.A.S. # |
ERG . # |
Hazardous Substance |
Extremely Hazardous
Substance |
RQ |
Health |
Fire |
Reactivity |
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Characteristics |
Exposure Limits |
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Common Uses
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Appearance: |
Colorless gas, faint odor |
LEL: |
2.5% |
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Compressed gas for welding/cutting metals |
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Vapor
Density |
0.9 |
UEL: |
100% |
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Specific Gravity: |
N/a |
IDLH: |
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Flash Point: |
-18 C |
STEL: |
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Auto Ignit.: |
299 C |
PEL: |
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Vapor Pressure: |
4460 @ 20C |
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pH: |
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Emergency Response PPE (Fire Fighters)
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Hazards |
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Respiratory: SCBA |
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Flammable gas, asphyxiant, may cause frostbite |
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Eye/Face/Body: Face shield or
goggles, avoid skin contact (frostbite) |
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Emergency Medical Actions
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Incompatible |
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Move victim to fresh air, provide oxygen Irrigate exposed areas with water, check for
frostbite. |
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Zinc, copper, oxidizers |
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Notes
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Initial and Protective Action Distances |
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Hazardous polymerization may occur when heated |
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Small Spills
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Dry chem. Fire extinguisher |
Large Spills
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Large volume water spray, isolate for at least 100
meters |
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Emergency Response Actions
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Shut off fuel, do not
extinguish leaking gas fire. |
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