Phosphoric acid tris(2-ethylhexyl) ester
Trioctyl phosphate
C24H51O4P
Molecular mass: 434.7
ICSC # 0968
CAS # 78-42-2
RTECS # MP0770000
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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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Combustible.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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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.
Refer for medical attention.
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•Skin
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Redness.
Pain.
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Protective gloves.
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Rinse skin with plenty of water or shower.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
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Safety goggles.
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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.
Induce vomiting (ONLY IN CONSCIOUS PERSONS!).
Give plenty of water to drink.
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 sand or inert absorbent and remove to safe place.
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Separated from
strong oxidants.
Well closed.
Keep in a well-ventilated room.
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Important Data
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Physical State; Appearance:
VISCOUS COLOURLESS LIQUID.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing toxic fumes of phosphine and phosphorous oxides.
Reacts with oxidants.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol 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 eyes and
the skin.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point at 0.7 kPa: 220°C
Melting point: -74°C
Relative density (water = 1): 0.93
Solubility in water, ml/100 ml at 20°C: none
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Vapour pressure, Pa at 20°C: <1
Relative vapour density (air = 1): 15
Flash point: 170°C
Auto-ignition temperature: 370°C
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Environmental
Data
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Avoid release to the environment in circumstances different to normal use.
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N O T E S
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Disflamoll-tof, Flexol-tof and Kronitex-tof are trade names.
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ADDITIONAL INFORMATION
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ICSC: 0968
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TRIS(2-ETHYLHEXYL) PHOSPHATE
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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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