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259098

(2S,3S)-(−)-Bis(diphenylphosphino)butane

Synonym(s):

(2S,3S)-(−)-2,3-Bis(diphenylphosphino)butane, (S,S)-Chiraphos

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250 mg

Available to ship TODAYfromMILWAUKEE

$215.00
$161.25
1 g

Available to ship TODAYfromMILWAUKEE

$810.00

About This Item

Linear Formula:
[-CH(CH3)P(C6H5)2]2
CAS Number:
Molecular Weight:
426.47
UNSPSC Code:
12352002
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4268869

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form

solid

Quality Segment

optical activity

[α]22/D −191°, c = 1.5 in chloroform

mp

108-110 °C (lit.)

functional group

phosphine

SMILES string

C[C@@H]([C@H](C)P(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4

InChI

1S/C28H28P2/c1-23(29(25-15-7-3-8-16-25)26-17-9-4-10-18-26)24(2)30(27-19-11-5-12-20-27)28-21-13-6-14-22-28/h3-24H,1-2H3/t23-,24-/m0/s1

InChI key

FWXAUDSWDBGCMN-ZEQRLZLVSA-N

Application

Ligand for Pd-catalyzed carbon-carbon bond formation.

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This Item
295825693057693006
functional group

phosphine

functional group

phosphine

functional group

phosphine

functional group

phosphine

form

solid

form

solid

form

crystals

form

solid

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

mp

108-110 °C (lit.)

mp

238-240 °C (lit.)

mp

238-240 °C (lit.)

mp

231-235 °C

optical activity

[α]22/D −191°, c = 1.5 in chloroform

optical activity

[α]19/D −233°, c = 0.3 in toluene

optical activity

[α]20/D -222, c = 0.5 in benzene

optical activity

[α]20/D -11°, c = 0.5 in chloroform


pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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