C8H18 / CH3CH(CH3)CH2(CH2)3CH3
Molecular mass: 114.2
ICSC # 0731
CAS # 592-27-8
UN # 1262 (Octanes)
EC # 601-009-00-8
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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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Extremely flammable.
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NO open flames, NO sparks, and NO smoking.
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Powder
,
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.
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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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Ventilation.
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Fresh air, rest.
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•Skin
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Dry skin.
Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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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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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 and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Personal protection:
filter respirator for organic gases and vapours.
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Separated from
oxidants
.
Cool.
Well closed.
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F symbol
Xn symbol
N symbol
R: 11-38-50/53-65-67
S: 2-9-16-29-33-60-61-62
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:
Upon heating, toxic fumes are formed.
Reacts with oxidants.
Occupational Exposure Limits:
TLV: (Octanes) 300 ppm as TWA; (ACGIH 2005).
MAK: (Octanes) 500 ppm, 2400 mg/m3
Peak limitation category: II(2); Pregnancy risk group: D;
(DFG 2006).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
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.
Effects of Long-Term or Repeated Exposure:
The liquid defats the skin.
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Physical
Properties
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Boiling point: 116°C
Melting point: -109°C
Relative density (water = 1): 0.698
Solubility in water:
none
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Vapour pressure, kPa at 38°C: 5.3
Relative vapour density (air = 1): 3.9
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.15
Flash point: 4.4°C
Explosive limits, vol% in air: 1.0-?
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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.
Card has been partly updated in October 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Transport Emergency Card: TEC (R)-30GF1-I+II
NFPA Code: H0; F3; R0;
Card has been partially updated in August 2007: see Fire fighting, Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 0731
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2-METHYLHEPTANE
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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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