2,2'-Bis(chloromethyl)-1,1'-binaphthalene CAS 96693-27-5
| CAS No. | 96693-27-5 |
| Molecular Formula | C21H14Cl2 |
| Molecular Weight | 337.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 337.24 g/mol gives 2,2'-Bis(chloromethyl)-1,1'-binaphthalene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2,2'-Bis(chloromethyl)-1,1'-binaphthalene (CAS 96693-27-5) is a high-purity analytical reference standard with the molecular formula C21H14Cl2 and a molecular weight of 337.24 g/mol.
Structurally, 2,2'-Bis(chloromethyl)-1,1'-binaphthalene (C21H14Cl2) contains chlorine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 337.24 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.
As a certified reference material (CRM), 2,2'-Bis(chloromethyl)-1,1'-binaphthalene 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 | C21H14Cl2 |
| Molecular Weight | 337.24 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
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Recommended Standards
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