2,2',3,4,4',5,6'-Heptabromodiphenyl Ether CAS 442690-45-1
| CAS No. | 442690-45-1 |
| Molecular Formula | C12H3Br7O |
| Molecular Weight | 722.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,2',3,4,4',5,6'-Heptabromodiphenyl Ether (C12H3Br7O) contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring 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 722.48 g/mol, it falls into the high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
2,2',3,4,4',5,6'-Heptabromodiphenyl Ether (CAS 442690-45-1), molecular formula C12H3Br7O and molecular weight 722.48 g/mol, is a CATO reference standard with documented purity and traceability.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C12H3Br7O |
| Molecular Weight | 722.48 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
Related Heptabromodiphenyl Standards
- 2,2',3,4,4',6,6'-Heptabromodiphenyl ether (CAS 117948-63-7)
- 2,2',3,3',4,4',5-Heptabromodiphenyl ether (CAS 327185-13-7)
- 2,2',3,3',4,4',6-Heptabromodiphenyl Ether (CAS 446255-19-2)
- 2,2',3,4,4',5,5'-Heptabromodiphenyl Ether (CAS 446255-26-1)
- 2,3,3',4,4',5,6-Heptabromodiphenyl Ether (CAS 189084-68-2)
- 2,3,3',4,4',5',6-Heptabromodiphenyl Ether (CAS 446255-30-7)
- 2,2',3,4,4',5',6-Heptabromodiphenyl Ether (CAS 207122-16-5)
- 2,2',3,4,4',5,6-Heptabromodiphenyl Ether (CAS 189084-67-1)
Recommended Standards
- Heptabromo-Diphenyl Ether (CAS 446255-20-5)
- PBDE 175 (CAS 446255-22-7)
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