MilliporeSigma
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247049

Sigma-Aldrich

Tributylphosphine

mixture of isomers, 97%

Synonym(s):
TBP, P(n-Bu)3
Linear Formula:
[CH3(CH2)3]3P
CAS Number:
Molecular Weight:
202.32
Beilstein:
1738261
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

9 (vs air)

assay

97%

form

liquid

autoignition temp.

392 °F

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: Acetylations

reagent type: ligand
reaction type: Addition Reactions

reagent type: ligand
reaction type: Stille Coupling

impurities

<1% TBP oxide
5% TBP isomers

refractive index

n20/D 1.462 (lit.)

bp

150 °C/50 mmHg (lit.)

density

0.81 g/mL at 25 °C (lit.)

functional group

phosphine

SMILES string

CCCCP(CCCC)CCCC

InChI

1S/C12H27P/c1-4-7-10-13(11-8-5-2)12-9-6-3/h4-12H2,1-3H3

InChI key

TUQOTMZNTHZOKS-UHFFFAOYSA-N

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Packaging

100, 500 g in Sure/Seal™

Application

Used with platinum (II) or (IV) in an intermolecular hydroamination of unactivated alkenes.
1,4-addition catalyst; used with disulfides for the thioetherification of alcohols; acylation catalyst; used to prepare active esters.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Self-heat. 1 - Skin Corr. 1B

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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Articles

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