(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
Synonym(s):(R,R)-Me-DUPHOS;(R,R)-Methyl-DUPHOS;(2R,2’R,5R,5′R)-2,2′,5,5′-Tetramethyl-1,1′-(o-phenylene)diphospholane
- CAS NO.：147253-67-6
- Empirical Formula: C18H28P2
- Molecular Weight: 306.36
- MDL number: MFCD00142336
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:57:00
![(-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE Structural](https://img.chemicalbook.in/CAS/GIF/147253-67-6.gif)
What is (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE?
The Uses of (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
1,2-Bis[(2R,5R)-2,5-dimethyl-1-phospholanyl]benzene is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff. It is used as highly efficient privileged ligands.
Properties of (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
| Melting point: | 66-76 °C |
| Boiling point: | 415.0±15.0 °C(Predicted) |
| alpha | -476° (c 1, hexane) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | crystal |
| color | white |
| optical activity | [α]20/D -420±15°, c = 0.5 in methylene chloride |
| Water Solubility | Insoluble in water. |
| Sensitive | Air Sensitive |
| BRN | 4810602 |
| CAS DataBase Reference | 147253-67-6 |
Safety information for (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
| 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 |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for (-)-1,2-BIS[(2R,5R)-2,5-DIMETHYLPHOSPHOLANO]BENZENE
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![(+)-1,2-Bis((2S,5S)-2,5-dimethylphospholano)benzene,98+%(S,S)-Me-DUPHOS,(+)-1,2-BIS[(2S,5S)-2,5-DIMETHYLPHOSPHOLANO]BENZENE](https://img.chemicalbook.in/CAS/GIF/136735-95-0.gif)
![(+)-1,2-BIS[(2S,5S)-2,5-DIETHYLPHOSPHOLANO]BENZENE](https://img.chemicalbook.in/CAS/GIF/136779-28-7.gif)
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