tetraethyldiphosphane

Base Information

• Chemical Name: tetraethyldiphosphane
• CAS No.: 3040-63-9
• Molecular Formula: C8H20 P2
• Molecular Weight: 178.194
• Mol file: 3040-63-9.mol

Synonyms:Diphosphine,tetraethyl- (6CI,7CI,8CI,9CI); Tetraethyldiphosphine

Chemical Property of tetraethyldiphosphane

Chemical Property:

• Vapor Pressure: 0.227mmHg at 25°C
• Boiling Point: 214.5°Cat760mmHg
• Flash Point: 84.9°C
• PSA: 27.18000
• Density: g/cm³
• LogP: 3.94480

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of tetraethyldiphosphane

There total 12 articles about tetraethyldiphosphane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 96.0%

bis(pentamethylcyclopentadienyl)ytterbium(diethyl ether) + tetraethyldiphosphine disulfide (3790-23-6) → ((CH3)5C5)2Yb(S2P(C2H5)2) (115018-02-5) + diethyl ether (60-29-7,927820-24-4) + 1,1,2,2-tetraethyldiphosphane (3040-63-9) + tetraethyldiphosphane monosulfide

Guidance literature:

In toluene; stirring, 2 h, under N2; concn., cooling to -10°C; elem. anal.;

DOI:10.1021/om00098a025

Reference yield:

Diethylphosphine (627-49-6) → 1,1,2,2-tetraethyldiphosphane (3040-63-9)

Guidance literature:

[(C₅Me₅)Rh(vinyltrimethylsilane)2]; In benzene-d6; at 145 ℃; for 40h;

DOI:10.1002/1521-3773(20011217)40:24<4694::AID-ANIE4694>3.0.CO;2-7

Reference yield:

diethylchlorophosphine (686-69-1) + ethylene glycol (107-21-1) → 1,1,2,2-tetraethyldiphosphane (3040-63-9) + C10H24O2P2

Guidance literature:

With triethylamine; In tetrahydrofuran; at -7 - 20 ℃;

DOI:10.1016/S0022-328X(01)01431-0

upstream raw materials:

dichloromethane

lithium diethylphosphide

diethylchlorophosphine

1,2-dichloro-ethane

Downstream raw materials:

tetraethyldiphosphine disulfide

diethylchlorophosphine

Phenyldiaethylphosphinothiot

(NacNac)Rh(η2-P2Et4)

Refernces

• 1、 Masuda, Jason D.,Hoskin, Aaron J.,Graham, Todd W.,Beddie, Chad,Fermin, Maria C.,Etkin, Nola,Stephan, Douglas W.. "Catalytic P-H activation by Ti and Zr catalysts". . p. 8696 - 8707. Retrieved 2007/10/03.
• 2、 Boehm, Volker P. W.,Brookhart, Maurice. "Dehydrocoupling of phosphanes catalyzed by a rhodium(I) complex". . p. 4694 - 4696. Retrieved 2007/10/03.