Triphenylphosphine

  • Triphenylphosphorous
Formula
(C6H5)3P
Structure
Description
White crystals.
Uses
Organic synthesis, polymerization initiator.

Registry Numbers and Inventories.
CAS
603-35-0
EC (EINECS/ELINCS)
210-036-0
EC Class
harmful, sensitizing, dangerous for the environment
R 48/20/22 43 50/53
RTECS
SZ3500000
RTECS class
Primary Irritant
UN (DOT)
3077
Merck
12,9873
Beilstein/Gmelin
610776
Beilstein Reference
4-16-00-00951
Swiss Giftliste 1
G-3142
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C18H15P
Formula mass
262.28
Melting point, °C
79
Boiling point, °C
377
Vapor pressure, mmHg
1.13E-07 (20 C)
Vapor density (air=1)
9
Density
1.194 g/cm3
Solubility in water
Insoluble
Viscosity
4.62 cp (100 C)
Surface tension
40.69 g/s2 (46 C)
Refractive index
1.5918 (20 C)
Heat of fusion
19.7 kJ/mol
Heat of vaporization
96.20 kJ/mol
Heat of combustion
-10295 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective gloves and clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.
Disposal code
3
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Oxidizing agents, acids.Slight explosion hazard in the form of vapor when exposed to flame.
Decomposition
Phosphine, carbon monoxide, oxides of phosphorus, carbon dioxide.

Fire.
Flash Point,°C
180
Lower exp. limit, %
0.5
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
This compound is combustible.
Health
0
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
   Ingestion
May cause effects similar to those for inhalation exposure. May be harmful if swallowed.
   Inhalation
May cause respiratory tract irritation. May cause neurotoxic effects including paresthesia.
   Skin
May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Transport.
UN number
3077
Response guide
HS Code
2931 00 95