| CAS #: 106-99-0|
| UN #: 1010 (stabilized)
|EC Number: 203-450-8
|ACUTE HAZARDS||PREVENTION||FIRE FIGHTING|
|FIRE & EXPLOSION||Extremely flammable. Gas/air mixtures are explosive.||NO open flames, NO sparks and NO smoking. Closed system, ventilation, explosion-proof electrical equipment and lighting. Prevent build-up of electrostatic charges (e.g., by grounding) if in liquid state.||Shut off supply; if not possible and no risk to surroundings, let the fire burn itself out. In other cases extinguish with water spray, powder, carbon dioxide, foam. In case of fire: keep cylinder cool by spraying with water.|
|AVOID ALL CONTACT!|
|Inhalation||Cough. Headache. Drowsiness.||Use closed system and ventilation.||Fresh air, rest. Refer for medical attention.|
|Skin||ON CONTACT WITH LIQUID: FROSTBITE.||Cold-insulating gloves.||ON FROSTBITE: rinse with plenty of water, do NOT remove clothes. Refer for medical attention .|
|Eyes||ON CONTACT WITH LIQUID: FROSTBITE.||Wear face shield.||ON FROSTBITE: rinse with plenty of water. Refer immediately for medical attention.|
|Ingestion||Do not eat, drink, or smoke during work.|
|SPILLAGE DISPOSAL||CLASSIFICATION & LABELLING|
|Remove all ignition sources. Evacuate danger area! Consult an expert! Personal protection: self-contained breathing apparatus. Shut off cylinder if possible. Isolate the area until the gas has dispersed. NEVER direct water jet on liquid.||
According to UN GHS Criteria
DANGERContains gas under pressure; may explode if heated
Extremely flammable gas
May cause cancer
May cause genetic defects
|Store only if stabilized. Fireproof. Cool. Keep in a well-ventilated room. Separated from incompatible materials and food and feedstuffs. See Chemical Dangers. See Physical Dangers. Refer to the manufacturer's instructions for proper storage conditions.|
|Do not transport with food and feedstuffs.
Transport only if stabilized.
|PHYSICAL & CHEMICAL INFORMATION|
Physical State; Appearance
Formula: C4H6 / CH2=(CH)2=CH2
|EXPOSURE & HEALTH EFFECTS|
Routes of exposure
Effects of short-term exposure
Effects of long-term or repeated exposure
|OCCUPATIONAL EXPOSURE LIMITS|
TLV: 2 ppm as TWA; A2 (suspected human carcinogen).
EU-OEL: 2.2 mg/m3, 1 ppm as TWA.
MAK: carcinogen category: 1; germ cell mutagen group: 2
|Environmental effects from the substance have not been investigated adequately.|
|The odour warning when the exposure limit value is exceeded is insufficient.
Turn leaking cylinder with the leak up to prevent escape of gas in liquid state.
Symbol: F+, T; R: 45-46-12; S: 53-45; Note: D
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