1498-40-4 Dichloroethylphosphine Phosphonous dichloride, ethyl- 4-04-00-03450 (Beilstein Handbook Reference) BRN 0906709 Dichlor-ethylfosfin [Czech] EINECS 216-096-4 Phosphine, dichloroethyl- TL 373 Dichlor-ethylfosfin Ethyl phosphonous dichloride Ethyl phosphonous dichloride, anhydrous pyrophoric liquid [NA2845] [Poison] NA2845 Ethyl phosphonous dichloride, anhydrous pyrophoric liquid CAS 1498-40-4
| CAS No. | 1498-40-4 |
| Molecular Formula | C2H5Cl2P |
| Molecular Weight | 130.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1498-40-4 Dichloroethylphosphine Phosphonous dichloride, ethyl- 4-04-00-03450 (Beilstein Handbook Reference) BRN 0906709 Dichlor-ethylfosfin [Czech] EINECS 216-096-4 Phosphine, dichloroethyl- TL 373 Dichlor-ethylfosfin Ethyl phosphonous dichloride Ethyl phosphonous dichloride, anhydrous pyrophoric liquid [NA2845] [Poison] NA2845 Ethyl phosphonous dichloride, anhydrous pyrophoric liquid is closely related to organophosphorus functionality, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1498-40-4 Dichloroethylphosphine Phosphonous dichloride, ethyl- 4-04-00-03450 (Beilstein Handbook Reference) BRN 0906709 Dichlor-ethylfosfin [Czech] EINECS 216-096-4 Phosphine, dichloroethyl- TL 373 Dichlor-ethylfosfin Ethyl phosphonous dichloride Ethyl phosphonous dichloride, anhydrous pyrophoric liquid [NA2845] [Poison] NA2845 Ethyl phosphonous dichloride, anhydrous pyrophoric liquid (CAS 1498-40-4) is a high-purity analytical reference standard with the molecular formula C2H5Cl2P and a molecular weight of 130.94 g/mol.
Structurally, 1498-40-4 Dichloroethylphosphine Phosphonous dichloride, ethyl- 4-04-00-03450 (Beilstein Handbook Reference) BRN 0906709 Dichlor-ethylfosfin [Czech] EINECS 216-096-4 Phosphine, dichloroethyl- TL 373 Dichlor-ethylfosfin Ethyl phosphonous dichloride Ethyl phosphonous dichloride, anhydrous pyrophoric liquid [NA2845] [Poison] NA2845 Ethyl phosphonous dichloride, anhydrous pyrophoric liquid (C2H5Cl2P) contains organophosphorus functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of -0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 130.94 g/mol, it falls into the low-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1498-40-4 Dichloroethylphosphine Phosphonous dichloride, ethyl- 4-04-00-03450 (Beilstein Handbook Reference) BRN 0906709 Dichlor-ethylfosfin [Czech] EINECS 216-096-4 Phosphine, dichloroethyl- TL 373 Dichlor-ethylfosfin Ethyl phosphonous dichloride Ethyl phosphonous dichloride, anhydrous pyrophoric liquid [NA2845] [Poison] NA2845 Ethyl phosphonous dichloride, anhydrous pyrophoric liquid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C2H5Cl2P |
| Molecular Weight | 130.94 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
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