261947

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261947

Aldrich

 

1,4-Bis(diphenylphosphino)butane

98%

Synonym:dppb
CAS Number:7688-25-7
Linear Formula:(C6H5)2P(CH2)4P(C6H5)2
Molecular Weight:426.47
Beilstein Registry Number:706446
EC Number:231-698-7
MDL number:MFCD00003051
PubChem Substance ID:24855845

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Description

Packaging1, 5, 25, 500 g in glass btl
ApplicationEmployed as a ligand in Pd(0)-catalyzed acylcyanation of arylacetylenes1 and deprotection of allyloxycarbamates.2

Properties

assay98%
mp132-136 °C(lit.)

Safety

Personal Protective Equipmentdust mask type N95 (US), Eyeshields, Gloves
Hazard CodesXi
Risk Statements36/38
Safety Statements26-36
WGK Germany3

References

Cited Reference1. J. Org. Chem. 59, 2679, (1994)
 2. Synlett, 680, (1993)
referenceCorp MSDS 1 (1), 432:C / FT-NMR 1 (2), 1660:A / RegBook 1 (2), 2267:A / Structure Index 1, 355:E:1