(2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
Synonym(s):(S,S)-Chiraphos;(2S,3S)-(−)-2,3-Bis(diphenylphosphino)butane
- CAS NO.：64896-28-2
- Empirical Formula: C28H28P2
- Molecular Weight: 426.47
- MDL number: MFCD00009836
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 09:43:50
What is (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE?
Chemical properties
white granular powder
The Uses of (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
(2S,3S)-(-)-Bis(diphenylphosphino)butane, also known as (S,S)-Chiraphos, is a chiral ligand used in the preparation of bimetallic chromium and diphosphine-ruthenium (II) diallyl complexes.
The Uses of (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
Ligand for palladium-catalyzed carbon-carbon bond formation.
The Uses of (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
Ligand for Pd-catalyzed carbon-carbon bond formation.
Properties of (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
| Melting point: | 104-109 °C |
| Boiling point: | 529.2±33.0 °C(Predicted) |
| alpha | D27 -211° (c = 1.5 in CHCl3) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | Acetonitrile, Chloroform |
| form | crystal |
| color | white |
| optical activity | [α]22/D 191°, c = 1.5 in chloroform |
| Sensitive | Air Sensitive |
| Merck | 14,2063 |
| BRN | 4268869 |
| CAS DataBase Reference | 64896-28-2(CAS DataBase Reference) |
Safety information for (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for (2S,3S)-(-)-BIS(DIPHENYLPHOSPHINO)BUTANE
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