1,2-Bis(diphenylphosphino)ethane
- Catalog No. :
- ACFJAN578
- CAS No. :
- 1663-45-2
- Molecular Formula :
- C26H24P2
- Molecular Weight :
- 398.43
IUPAC Name:1,2-bis(diphenylphosphaneyl)ethane

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Product Information
| Product Name | 1,2-Bis(diphenylphosphino)ethane |
|---|---|
| IUPAC Name | 1,2-bis(diphenylphosphaneyl)ethane |
| MDL No. | MFCD00003047 |
| Molecular Formula | C26H24P2 |
| Molecular Weight | 398.43 |
| SMILES | P(CCP(C1=CC=CC=C1)C2=CC=CC=C2)(C3=CC=CC=C3)C4=CC=CC=C4 |
| InChI Key | QFMZQPDHXULLKC-UHFFFAOYSA-N |
| Synonym | A810721 | NSC76285 | NSC-76285 | Phosphine,2-ethanediylbis[diphenyl- | B1137 | Phosphine, 1,1'-(1,2-ethanediyl)bis[1,1-diphenyl- | 1,2-bis (diphenyl)phosphinoethane | Bis(diphenylphosphine)ethane | Allyl alpha-toluate | Ataractan | GC10104 | EN300-54087 | |
| CAS No. | 1663-45-2 |
| PubChem CID | 74267 |
Safety Data
- Pictogram
- Signal Word
- Warning
- Hazard Statement(s)
- H302-H315-H319-H332-H335
- Precautionary Statement(s)
- P261-P280-P305+P351+P338




![[1,2-Bis(diphenylphosphino)ethane]dichlorocobalt(II) structure diagram](https://xchemchain-prod-1253699568.cos.ap-guangzhou.myqcloud.com/production/attachments/2026/07/22/p3lq/18498-01-6.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIDT0SoARehYSEnT2RxQiomY7TcckkZDlIx%2F20260802%2Fap-guangzhou%2Fs3%2Faws4_request&X-Amz-Date=20260802T135127Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&response-content-disposition=attachment%3B%20filename%3D%2218498-01-6.png%22&x-id=GetObject&X-Amz-Signature=ba69e2205c3e978ced22cd3301734b253a355cef651af1af1269f78818f2ea41)