4,4'-(2-Chloro-2,2-difluoroethane-1,1-diyl)bis(chlorobenzene) CAS 567-56-6
| CAS No. | 567-56-6 |
| Molecular Formula | C14H9Cl3F2 |
| Molecular Weight | 321.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,4'-(2-Chloro-2,2-difluoroethane-1,1-diyl)bis(chlorobenzene) 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.
CATO supplies 4,4'-(2-Chloro-2,2-difluoroethane-1,1-diyl)bis(chlorobenzene) (CAS 567-56-6), a certified reference material (molecular formula C14H9Cl3F2, MW 321.58 g/mol) for analytical method development and quality control.
Structurally, 4,4'-(2-Chloro-2,2-difluoroethane-1,1-diyl)bis(chlorobenzene) (C14H9Cl3F2) contains fluorine/chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 321.58 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H9Cl3F2 |
| Molecular Weight | 321.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Cl-containing |
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