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93092

Sigma-Aldrich

Triphenylphosphine

≥95.0% (GC)

Synonym(s):
Phosphorustriphenyl
Linear Formula:
(C6H5)3P
CAS Number:
Molecular Weight:
262.29
Beilstein:
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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General description

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

Packaging

250 g in poly bottle
1 kg in poly bottle

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

356.0 °F - closed cup

Flash Point(C)

180 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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