Identification | More | [Name]
1,4-Bis(diphenylphosphino)butane | [CAS]
7688-25-7 | [Synonyms]
1,4-BIS(DIPHENYLPHOSPHINE)BUTANE 1,4-BIS(DIPHENYLPHOSPHINO)BUTANE Butane-1,4-diylbis[diphenylphosphine] DPPB TETRAMETHYLENEBIS(DIPHENYLPHOSPHINE) [4-(Diphenylphosphino)butyl](diphenyl)phosphine 1,4-butanediylbis[diphenyl-phosphin Bis(1,4-diphenylphosphino)butane Phosphine, 1,4-butanediylbis[diphenyl- 1,4-bis(diphenylphosphino)butane(dppb) 1,4-Bis(diphenyphosphino)Butane 1,4-Bis(diphenylphosphino)butane,98%DPPB DPPB/1,4-BIS(DIPHENYLPHOSPHINO)BUTANE bis-(diphenylphosphino)butane (dppb) 1,4-BIS(DIPHENYPHOSPHINO) 1,4-Bis(diphenylphosphino)butane(98%) Bis-(Diphenylphosphino)Butane 4-Di(phenyl)phosphanylbutyl-di(phenyl)phosphane 1,4-Butanediylbis(diphenylphosphine) | [EINECS(EC#)]
231-698-7 | [Molecular Formula]
C28H28P2 | [MDL Number]
MFCD00003051 | [Molecular Weight]
426.47 | [MOL File]
7688-25-7.mol |
Chemical Properties | Back Directory | [Appearance]
white to light yellow crystal powde | [Melting point ]
132-136 °C (lit.) | [Boiling point ]
542.0±33.0 °C(Predicted) | [storage temp. ]
Inert atmosphere,Room Temperature | [form ]
Crystalline Powder | [color ]
White to almost white | [Water Solubility ]
Soluble in chloroform. Slightly soluble in water | [Detection Methods]
31P NMR HPLC | [BRN ]
706446 | [InChI]
InChI=1S/C28H28P2/c1-5-15-25(16-6-1)29(26-17-7-2-8-18-26)23-13-14-24-30(27-19-9-3-10-20-27)28-21-11-4-12-22-28/h1-12,15-22H,13-14,23-24H2 | [InChIKey]
BCJVBDBJSMFBRW-UHFFFAOYSA-N | [SMILES]
P(CCCCP(C1C=CC=CC=1)C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1 | [CAS DataBase Reference]
7688-25-7(CAS DataBase Reference) | [NIST Chemistry Reference]
1,4-Bis(diphenylphosphino)butane(7688-25-7) | [Storage Precautions]
Store under nitrogen | [EPA Substance Registry System]
7688-25-7(EPA Substance) |
Safety Data | Back Directory | [Hazard Codes ]
Xi,F | [Risk Statements ]
R36/38:Irritating to eyes and skin . R36/37/38:Irritating to eyes, respiratory system and skin . R11:Highly Flammable. | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice . S36:Wear suitable protective clothing . S37/39:Wear suitable gloves and eye/face protection . S33:Take precautionary measures against static discharges . S16:Keep away from sources of ignition-No smoking . S7/9:Keep container tightly closed and in a well-ventilated place . | [WGK Germany ]
3
| [F ]
10-23 | [TSCA ]
Yes | [HS Code ]
29319099 |
Raw materials And Preparation Products | Back Directory | [Raw materials]
Ethanol-->Sodium hydroxide-->Hydrochloric acid-->Ethyl acetate-->Tetrahydrofuran-->Dichloromethane-->Sodium-->Magnesium sulfate-->Acetone-->n-Butyllithium-->Triphenylphosphine-->Lithium-->Diphenylphosphine-->1,4-Dibromobutane-->1,4-Dichlorobutane-->Diphenyl[4-(diphenylphosphinyl)butyl]phosphine oxide | [Preparation Products]
(S)-(-)-7,7'-BIS[DI(3,5-DIMETHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(R)-7,7'-BIS(DIPHENYLPHOSPHINO)-1,1'-SPIROBIINDANE-->(R)-(+)-7,7'-BIS(DIPHENYLPHOSPHINO)-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(S)-7,7'-Bis[di(p-methylphenyl)phosphino]-1,1'-spirobiindane ,97%-->(R)-(+)-7,7'-BIS[DI(4-METHYLPHENYL)PHOSPHINO]-2,2',3,3'-TETRAHYDRO-1,1'-SPIROBIINDANE-->(4-chlorobutyl)diphenylphosphane-->TETRAPHENYLBIPHOSPHINE |
Hazard Information | Back Directory | [Chemical Properties]
white to light yellow crystal powde | [Uses]
suzuki reaction | [storage]
Readily oxidized in solution to the phosphine oxide and should be handled under N2 or Ar. The compound is air-stable in the solid state.
| [Purification Methods]
Recrystallise it from EtOH [Trippett J Chem Soc 4263 1961]. [King J Coord Chem 1 62 1971, Tolman Chem Rev 77 313 1977.] |
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