1,2,4,6,7,8-Hexachlorodibenzodioxin CAS 64461-98-9
| CAS No. | 64461-98-9 |
| Molecular Formula | C12H2Cl6O2 |
| Molecular Weight | 390.86 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.
1,2,4,6,7,8-Hexachlorodibenzodioxin (CAS 64461-98-9) is a high-purity analytical reference standard with the molecular formula C12H2Cl6O2 and a molecular weight of 390.86 g/mol.
Based on its molecular formula C12H2Cl6O2, 1,2,4,6,7,8-Hexachlorodibenzodioxin contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 390.86 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1,2,4,6,7,8-Hexachlorodibenzodioxin 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 | C12H2Cl6O2 |
| Molecular Weight | 390.86 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Cl-containing |
Recommended Standards
- 1,2,3,6,7,8-Hexachlorodibenzo-p-dioxin (CAS 57653-85-7)
- 1,2,4,6,7,9-Hexachlorodibenzo-p-dioxin (CAS 39227-62-8)
- 1,2,3,4,7,8-Hexachlorodibenzo-p-dioxin (CAS 39227-28-6)
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