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T49484

Sigma-Aldrich

Tri-n-butylphosphine

97%

Synonym(s):

Tributylphosphine, NSC 91700, P(n-Bu)3, TBP

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About This Item

Linear Formula:
[CH3(CH2)3]3P
CAS Number:
998-40-3
Molecular Weight:
202.32
Beilstein/REAXYS Number:
1738261
EC Number:
213-651-2
MDL number:
MFCD00009462
UNSPSC Code:
12352128
PubChem Substance ID:
24900248
NACRES:
NA.22

vapor density

9 (vs air)

Quality Level

200

assay

97%

autoignition temp.

392 °F

reaction suitability

reagent type: ligand
reaction type: Acetylations
reagent type: ligand
reaction type: Addition Reactions
reagent type: ligand
reaction type: Stille Coupling

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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Related Categories

Application

1,4-addition catalyst; used with disulfides for the thioetherification of alcohols; acylation catalyst; used to prepare active esters.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Pyr. Liq. 1 - Skin Corr. 1A

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk_germany

WGK 2

flash_point_f

242.6 °F - closed cup

flash_point_c

117 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

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Solvent effects on hydrogen bonding.
Joanne L Cook et al.
Angewandte Chemie (International ed. in English), 46(20), 3706-3709 (2007-04-07)
Bradley G Jellerichs et al.
Journal of the American Chemical Society, 125(26), 7758-7759 (2003-06-26)
Upon exposure of mono-enone mono-allylic carbonates to tributylphosphine and 1 mol % Pd(Ph3P)4, efficient conversion to the corresponding cycloallylated products is achieved. This transformation combines the nucleophilic features of the Morita-Baylis-Hillman reaction with the electrophilic features of the Trost-Tsuji reaction.
J Krijt et al.
Clinical chemistry, 47(10), 1821-1828 (2001-09-25)
Aminothiols have been implicated in the pathogenesis of arteriosclerosis, and reliable methods are needed to determine their concentrations in body fluids. We present a comparison of two analytical methods and focus on the reduction of low-molecular weight and protein-mixed disulfides
J X Yan et al.
Journal of chromatography. A, 813(1), 187-200 (1998-08-11)
A simple technique is introduced to identify and quantitate cysteine (Cys) after acid hydrolysis of protein. The technique involves using 9-fluorenylmethyl chloroformate (Fmoc)-based amino acid analysis that recovers all of the amino acids (asparagine and glutamine are recovered in their
Jing-Yu Wu et al.
The Journal of organic chemistry, 73(22), 9137-9139 (2008-10-24)
Aziridines underwent cyclization reaction with carbon disulfide and isothiocyanate in the presence of organophosphine to afford thiazolidinone derivatives in good to high yields. The mechanistic study revealed that organophosphine serves as a catalyst in the reaction.
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