28240-68-8 Bis(dichlorophosphino)methane Methylenebis(dichlorophosphine) Methylenebis(phosphonous dichloride) CAS 28240-68-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28240-68-8 |
| Molecular Formula | CH2Cl4P2 |
| Molecular Weight | 217.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
28240-68-8 Bis(dichlorophosphino)methane Methylenebis(dichlorophosphine) Methylenebis(phosphonous dichloride) (CAS 28240-68-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: CH2Cl4P2. Molecular weight: 217.79 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | CH2Cl4P2 |
| Molecular Weight | 217.79 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
Related Bis Standards
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- Bis(dichlorophosphino)methylamine, min. 97% (CAS 17648-16-7)
- 1,2-Bis(dichlorophosphino)-1,2-dimethylhydrazine, min. 98% (CAS 37170-64-2)
- 1,2-Bis(dichlorophosphino)benzene (CAS 82495-67-8)
- 1,1'-Bis(dichlorophosphino)ferrocene, 98% (CAS 142691-70-1)
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