AcetyleneC2H2
CAS-No.: | 74-86-2 |
|---|---|
UN-No.: | 1001 |
EC-No.: | 200-816-9 |
Hazard identification number: | 239 |
Warning sign: |
|
Hazard signs
Occupational exposure limit
NIOSH (REL) (US)
- STEL (ppm) C 2500
- STEL (mg/m3) C 2662
- H: 220
Extremely flammable gas.
- H: 230
- H: 280
Contains gas under pressure; may explode if heated
- P: 202
Do not handle until all safety precautions have been read and understood.
- P: 210
Keep away from heat/
sparks/open flames/hot
surfaces. — No smoking.
- P: 377
Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
- P: 381
Eliminate all ignition sources if safe to do so.
- P: 403
Store in a well-ventilated place.
No statement for this group.
No GHS Classification available at the moment.
Melting point:
-80.8 °C Density (at 20 °C, if not notified otherwise):
0,0011772 (0°C) g/cm3Ionization:
11.400 ± 0.002 eVIgnition Temperature:
305 °C Vapour Pressure (at 20 °C, if not notified otherwise):
43360 hPaLower Explosive Limit:
2.3 Vol.-%Upper Explosive Limit:
100 Vol.-%
Also known as:
- Ethine
- Ethyne
- Narcylen
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