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570958

Sigma-Aldrich

Tri-tert-butylphosphine

98%

Synonym(s):

P(t-Bu)3

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About This Item

Linear Formula:
[(CH3)3C]3P
CAS Number:
13716-12-6
Molecular Weight:
202.32
Beilstein:
1738613
EC Number:
237-266-4
MDL number:
MFCD00015006
UNSPSC Code:
12352128
PubChem Substance ID:
24880600
NACRES:
NA.22

Quality Level

100

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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Related Categories

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.

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Product No.
Description
Pricing

Pictograms

FlameCorrosion
GHS02,GHS05

Signal Word

Danger

Hazard Statements

H250,H314

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 1 petroleums
Hazardous rank II
Water insoluble liquid

JAN Code

570958-5G-BULK:
570958-1G:
570958-BULK:
570958-10G-BULK:
570958-1G-BULK:
570958-10G:
570958-5G:
570958-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
STBK7504
STBK7503
STBK5347
STBK3121
STBK1412

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Tetsuo Iwama et al.
Organic letters, 8(25), 5725-5728 (2006-12-01)
Inter- and intramolecular arylations of trimethylsilyl enol ethers with aryl halides are accomplished regiospecifically in the presence of a palladium catalyst and tributyltin fluoride in refluxing benzene or toluene. The optimal catalyst system called for the use of Pd2(dba)3 and
Synlett, 2597-2597 (2006)
Maria V Zakharova et al.
ACS applied materials & interfaces, 10(15), 13199-13210 (2018-03-10)
Conventional amines and phosphines, such as diethylenetriamine, diphenylpropylphosphine, triethylamine, and tetramethylpiperidine, were grafted or impregnated on the surface of metalated SBA-15 materials, such as Ti-, Al-, and Zr-SBA-15, to generate air-stable solid-supported Lewis acid-base pairs. The Lewis acidity of the

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