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93092

Sigma-Aldrich

Triphenylphosphine

≥95.0% (GC)

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Synonym(s):
Phosphorustriphenyl
Linear Formula:
(C6H5)3P
CAS Number:
Molecular Weight:
262.29
Beilstein/REAXYS Number:
610776
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

vapor density

9 (vs air)

Quality Level

vapor pressure

5 mmHg ( 20 °C)

assay

≥95.0% (GC)

form

crystals

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling
reagent type: ligand

impurities

~3% triphenylphosphine oxide

bp

377 °C (lit.)

mp

77-84 °C
79-81 °C (lit.)

solubility

water: soluble 0.00017 g/L at 22 °C

functional group

phosphine

SMILES string

c1ccc(cc1)P(c2ccccc2)c3ccccc3

InChI

1S/C18H15P/c1-4-10-16(11-5-1)19(17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H

InChI key

RIOQSEWOXXDEQQ-UHFFFAOYSA-N

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1 of 4

This Item
T844098.082708.00551
vibrant-m

93092

Triphenylphosphine

vibrant-m

T84409

Triphenylphosphine

vibrant-m

8.08270

Triphenylphosphine

vibrant-m

8.00551

Triphenyl phosphite

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Hiyama Coupling, reaction type: Sonogashira Coupling, reaction type: Suzuki-Miyaura Coupling, reaction type: Negishi Coupling, reagent type: ligand, reaction type: Heck Reaction, reaction type: Stille Coupling

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction, reaction type: Heck Reaction, reaction type: Hiyama Coupling, reaction type: Negishi Coupling, reaction type: Sonogashira Coupling, reaction type: Stille Coupling, reaction type: Suzuki-Miyaura Coupling, reagent type: ligand
reaction type: Cross Couplings

reaction suitability

-

reaction suitability

-

form

crystals

form

-

form

solid

form

solid

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

assay

≥95.0% (GC)

assay

99%

assay

≥99.0% (GC)

assay

≥97.0% (GC)

bp

377 °C (lit.)

bp

377 °C (lit.)

bp

377 °C/1013 hPa

bp

360 °C/1013 hPa (decomposes)

General description

Triphenylphosphine, also referred to as PPH3, is an organophosphorous compound. It readily forms complexes with platinum-metal group salts.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Skin Sens. 1B - STOT RE 1 Inhalation

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 2

flash_point_f

356.0 °F - closed cup

flash_point_c

180 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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