Triphenylphosphine

CAS No. 603-35-0

Formula: C18H15P
Basic Info

Triphenylphosphine (IUPAC name: triphenylphosphane) is a common organophosphorus compound with the formula P(C6H5)3 - often abbreviated to PPh3 or Ph3P. It is widely used in the synthesis of organic and organometallic compounds. PPh3 exists as relatively air stable, colorless crystals at room temperature. It dissolves in non-polar organic solvents such as benzene and diethyl ether.

Formula
C18H15P
Molecular Weight
262.285
Exact Mass
262.091
LogP
3.4448
PSA
13.59
Synonyms

triphenyl-phosphin

diphenylenephenylphosphine

Triphenylphosphide

Triphenyl phosphine

bistriphenylphosphine

Trihenylphosphine

Triphenylphosphane

Triphenyphosphine

tetrakistriphenylphosphine

Phosphine, triphenyl-

Trifenylfosfin

Triphenyl

PP-360

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Properties
Appearance & Physical State
White powder
Density
1.132
Boiling Point
377ºC
Melting Point
78.5-81.5ºC
Flash Point
181ºC
Refractive Index
1.5918 (20ºC)
Water Solubility
Insoluble
Stability
Stable. Incompatible with oxidizing agents, acids.
Storage Condition
Store at RT.
Vapor Density
9 (vs air)
Vapor Pressure
5 mm Hg ( 20 °C)
Safety Info
RTECS
SZ3500000
Safety Statements
S26-S36/37/39-S61
WGK Germany
2
Risk Statements
R22; R43; R53
HS Code
2919900090
RIDADR
UN 3077
Caution Statement
P280; P301 + P312 + P330; P333 + P313
Hazard Codes
Hazard Declaration
Spectrum
NMR Spectrum 1H NMR : 90 MHz in CDCl3
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IR Spectrum IR : CCl4 solution
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Mass Spectrum Mass spectrum (electron ionization)
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Raman Spectrum Raman : 4880 A,200 M,powder
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ESR Spectrum ESR : RED. OF MOO2(CYS-OET)2, RT
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UV Spectrum UV/Visible spectrum
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Toxicity
SKIN/EYE IRRITATION DATA
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Type of Test
Standard Draize test
Exposure Route
Administration onto the skin
Species Observed
Rodent - rabbit
Dose/Duration
500 mg/24H
Toxic Effects
--
Reference
Prehled Prumyslove Toxikologie; Organicke Latky, Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1114,1986
SKIN/EYE IRRITATION DATA
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Type of Test
Standard Draize test
Exposure Route
Administration into the eye
Species Observed
Rodent - rabbit
Dose/Duration
500 mg/24H
Toxic Effects
--
Reference
Prehled Prumyslove Toxikologie; Organicke Latky, Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1114,1986
ACUTE TOXICITY DATA
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Type of Test
LD50 - Lethal dose, 50 percent kill
Exposure Route
Oral
Species Observed
Rodent - rat
Dose/Duration
700 mg/kg
Toxic Effects
Behavioral--convulsions or effect on seizure threshold
Reference
United States Environmental Protection Agency, Office of Pesticides and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW, Washington, DC 20460) History unknown. Volume(issue)/page/year: 8EHQ-0384-0014

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