2,2'-Dimethyl-1,1'-binaphthalene CAS 32834-84-7
| CAS No. | 32834-84-7 |
| Molecular Formula | C22H18 |
| Molecular Weight | 282.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2,2'-Dimethyl-1,1'-binaphthalene is closely related to a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2,2'-Dimethyl-1,1'-binaphthalene (CAS 32834-84-7) is a high-purity analytical reference standard with the molecular formula C22H18 and a molecular weight of 282.38 g/mol.
2,2'-Dimethyl-1,1'-binaphthalene (C22H18) contains a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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), 2,2'-Dimethyl-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 | C22H18 |
| Molecular Weight | 282.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | 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.) | 1966 |
Related Dimethyl Standards
- 2-(3,5-Dimethyl-phenylamino)-N-phenyl-butyramide (CAS 1008623-10-6)
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