4-Ethenyl-1-cyclohexene
Cyclohexenylethylene
C6H9CH=CH2 / C8H12
Molecular mass: 108.2
ICSC # 1177
CAS # 100-40-3
RTECS # GW6650000
UN # 1993
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Highly flammable.
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NO open flames, NO sparks, and NO smoking.
NO contact with oxidants.
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Foam,
powder,
carbon dioxide.
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Explosion
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Vapour/air mixtures are explosive.
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Closed system, ventilation, explosion-proof electrical equipment and lighting.
Do NOT use compressed air for filling, discharging, or handling.
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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STRICT HYGIENE!
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•Inhalation
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Ventilation, local exhaust, or breathing protection.
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•Skin
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Redness.
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
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•Eyes
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Redness.
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Safety goggles
or
eye protection in combination with breathing protection.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
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Refer for medical attention.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Collect leaking liquid in sealable containers.
Absorb remaining liquid in dry sand or inert absorbent and remove to safe place.
Do NOT wash away into sewer.
Personal protection:
filter respirator for organic gases and vapours.
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Fireproof.
Separated from
oxidants
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Cool.
Store only if stabilized.
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Airtight.
UN Hazard Class: 3
UN Packing Group: II
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID.
Physical Dangers:
The vapour mixes well with air, explosive mixtures are easily formed.
Chemical Dangers:
The substance can form explosive peroxides.
Reacts
with
oxidants
causing fire and explosion hazard.
Occupational Exposure Limits:
TLV: 0.1 ppm as TWA; A3 (confirmed animal carcinogen with unknown relevance to humans); (ACGIH 2004).
MAK: skin absorption (H);
Carcinogen category: 2;
(DFG 2005).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour,
through the skin
and
by ingestion.
Inhalation Risk:
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
and
the skin
.
Effects of Long-Term or Repeated Exposure:
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Boiling point: 130°C
Melting point: -109°C
Relative density (water = 1): 0.829
Solubility in water: none
Vapour pressure, kPa at 38°C: 3.43
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Relative vapour density (air = 1): 3.7
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.09
Flash point: 16°C c.c.
Auto-ignition temperature: 269°C
Octanol/water partition coefficient as log Pow: 3.93
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Environmental
Data
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Bioaccumulation of this chemical may occur along the food chain, for example in fish.
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N O T E S
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Do NOT take working clothes home.
An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert.
Check for peroxides prior to distillation; eliminate if found.
Card has been partly updated in October 2005. See sections Occupational Exposure Limits, Emergency Response.
Transport Emergency Card: TEC (R)-30GF1-I+II
NFPA Code: H0; F3; R2
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ADDITIONAL INFORMATION
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ICSC: 1177
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4-VINYLCYCLOHEXENE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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