Diisobutene
Diisobutylene
C8H16 / CH3C(CH3)=CHC(CH3)3
Molecular mass: 112.2
ICSC # 0737
CAS # 107-40-4
UN # 2050
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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.
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Powder, AFFF, foam, 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.
Use non-sparking handtools.
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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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PREVENT GENERATION OF MISTS!
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•Inhalation
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Drowsiness.
Headache.
Nausea.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Artificial respiration if indicated.
Refer for medical attention.
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•Skin
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Redness.
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Protective gloves.
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First rinse with plenty of water, then remove contaminated clothes and rinse again.
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•Eyes
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Safety spectacles.
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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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Abdominal pain.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Do NOT induce vomiting.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Evacuate danger area!
Ventilation.
Collect leaking liquid in sealable containers.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
(Extra personal protection: filter respirator for organic gases and vapours).
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Fireproof.
Separated from
oxidants.
Cool.
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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 is heavier than air
and may travel along the ground; distant ignition possible.
Chemical Dangers:
Reacts with oxidants.
Occupational Exposure Limits:
TLV not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation and
by ingestion.
Inhalation Risk:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
irritates
the skin.
The substance may cause effects on the central nervous system.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 104°C
Melting point: -106°C
Relative density (water = 1): 0.72
Solubility in water: none
Vapour pressure, kPa at 38°C: 11.02
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Relative vapour density (air = 1): 3.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.31
Flash point: 1.7°C o.c.
Auto-ignition temperature: 305°C
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Environmental
Data
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N O T E S
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Insufficient data are available on the effect of this substance on human health, therefore utmost care must be taken.
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ADDITIONAL INFORMATION
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ICSC: 0737
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2,4,4-TRIMETHYL-2-PENTENE
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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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