Triphenylphosphorous
C18H15P / (C6H5)3P
Molecular mass: 262.3
ICSC # 0700
CAS # 603-35-0
RTECS # SZ3500000
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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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Water spray, foam, powder, carbon dioxide.
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Explosion
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Finely dispersed particles form explosive mixtures in air.
Slight explosion hazard in the form of vapour when exposed to flame.
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Prevent deposition of dust; closed system, dust explosion-proof electrical equipment and lighting.
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Exposure
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PREVENT DISPERSION OF DUST!
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•Inhalation
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Cough.
Sore throat.
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Local exhaust.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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Redness.
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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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Cough.
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
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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Sweep spilled substance into sealable containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
Personal protection: P2 filter respirator for harmful particles.
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Separated from
oxidants
,
acids.
Keep in a well-ventilated room.
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Important Data
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Physical State; Appearance:
ODOURLESS
WHITE
CRYSTALS.
Physical Dangers:
Dust explosion possible if in powder or granular form, mixed with air.
Chemical Dangers:
The substance decomposes
on heating
producing highly toxic fumes of phosphorus oxides and phosphine.
Reacts
with
strong acids
and
strong oxidants
.
Occupational Exposure Limits:
TLV 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:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly.
Effects of Short-Term Exposure:
The substance
irritates
the eyes,
the skin
and
the respiratory tract.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 377°C
Melting point: 80°C
Relative density (water = 1): 1.1
Solubility in water:
none
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Relative vapour density (air = 1): 9.0
Flash point: 180°C o.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.
NFPA Code: H 0; F 1; R 0;
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ADDITIONAL INFORMATION
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ICSC: 0700
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TRIPHENYLPHOSPHINE
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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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