570958

Tri-tert-butylphosphine

98%

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

Properties

• 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

Description

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.

Safety Information

• pictograms: GHS02,GHS05
• signalword: Danger
• hcodes: H250,H314
• pcodes: P231 + P232 - P260 - P280 - P303 + P361 + P353 - P305 + P351 + P338 - P370 + P378
• Hazard Classifications: Eye Dam. 1 - Pyr. Sol. 1 - Skin Corr. 1B
• Storage Class: 4.2 - Pyrophoric and self-heating hazardous materials
• wgk_germany: WGK 3
• flash_point_f: 1.4 °F
• flash_point_c: -17 °C
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges