ChemicalBook--->CAS DataBase List--->7688-25-7

7688-25-7

7688-25-7 Structure

7688-25-7 Structure
IdentificationMore
[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 PropertiesBack 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
[InChIKey]

BCJVBDBJSMFBRW-UHFFFAOYSA-N
[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 DataBack 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 ProductsBack 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
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

1,4-Bis(diphenylphosphino)butane(7688-25-7).msds
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powde
[Uses]

suzuki reaction
[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.]
Spectrum DetailBack Directory
[Spectrum Detail]

1,4-Bis(diphenylphosphino)butane(7688-25-7)MS
1,4-Bis(diphenylphosphino)butane(7688-25-7)1HNMR
1,4-Bis(diphenylphosphino)butane(7688-25-7)13CNMR
1,4-Bis(diphenylphosphino)butane(7688-25-7)31PNMR
1,4-Bis(diphenylphosphino)butane(7688-25-7)IR1
1,4-Bis(diphenylphosphino)butane(7688-25-7)IR2
1,4-Bis(diphenylphosphino)butane(7688-25-7)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

1,4-Bis(diphenylphosphino)butane, 98%(7688-25-7)
[Alfa Aesar]

1,4-Bis(diphenylphosphino)butane, 98%(7688-25-7)
[Sigma Aldrich]

7688-25-7(sigmaaldrich)
[TCI AMERICA]

1,4-Bis(diphenylphosphino)butane,>95.0%(T)(7688-25-7)
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