1,2,3,5,7,8-Hexachloronaphthalene CAS 103426-94-4
| CAS No. | 103426-94-4 |
| Molecular Formula | C10H2Cl6 |
| Molecular Weight | 334.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1,2,3,5,7,8-Hexachloronaphthalene (CAS 103426-94-4) is a high-purity analytical reference standard with the molecular formula C10H2Cl6 and a molecular weight of 334.84 g/mol.
Structurally, 1,2,3,5,7,8-Hexachloronaphthalene (C10H2Cl6) contains chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 334.84 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 1,2,3,5,7,8-Hexachloronaphthalene 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 | C10H2Cl6 |
| Molecular Weight | 334.84 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
Related Hexachloronaphthalene Standards
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