MilliporeSigma
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570958

Sigma-Aldrich

Tri-tert-butylphosphine

98%

Synonym(s):
P(t-Bu)3
Linear Formula:
[(CH3)3C]3P
CAS Number:
Molecular Weight:
202.32
Beilstein:
1738613
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

reaction suitability

reaction type: Cross Couplings
reagent type: ligand
reaction type: Addition Reactions

reagent type: ligand
reaction type: Buchwald-Hartwig Cross Coupling Reaction

reagent type: ligand
reaction type: Heck Reaction

reagent type: ligand
reaction type: Negishi Coupling

reagent type: ligand
reaction type: Sonogashira Coupling

reagent type: ligand
reaction type: Stille Coupling

reagent type: ligand
reaction type: Suzuki-Miyaura Coupling

bp

102-103 °C/13 mmHg (lit.)

mp

30-35 °C (lit.)

density

0.834 g/mL at 20 °C (lit.)

functional group

phosphine

SMILES string

CC(C)(C)P(C(C)(C)C)C(C)(C)C

InChI

1S/C12H27P/c1-10(2,3)13(11(4,5)6)12(7,8)9/h1-9H3

InChI key

BWHDROKFUHTORW-UHFFFAOYSA-N

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Packaging

1, 5, 10 g in glass bottle

Application

Preferred ligand in the palladium-catalyzed coupling of arylboronic acids with phenyliodonium ylides of hydroxyquinones. Also used with Pd2(dba)3 for the α-arylation of trimethylsilyl enol ethers with aryl halides.

Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Pyr. Sol. 1 - Skin Corr. 1B

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 3

Flash Point(F)

1.4 °F

Flash Point(C)

-17 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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