2,2',3,3',5-Pentabromodiphenyl ether CAS 446254-51-9
| CAS No. | 446254-51-9 |
| Molecular Formula | C12H5Br5O |
| Molecular Weight | 564.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2,2',3,3',5-Pentabromodiphenyl ether.
2,2',3,3',5-Pentabromodiphenyl ether (CAS 446254-51-9), molecular formula C12H5Br5O and molecular weight 564.69 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,2',3,3',5-Pentabromodiphenyl ether (C12H5Br5O) 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 564.69 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 2,2',3,3',5-Pentabromodiphenyl ether under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H5Br5O |
| Molecular Weight | 564.69 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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 Pentabromodiphenyl Standards
- 2,2',3,4,5'-Pentabromodiphenyl Ether (CAS 446254-54-2)
- 2,2',3,4,5-Pentabromodiphenyl Ether (CAS 446254-53-1)
- 2,2',3,4',5-Pentabromodiphenyl ether (CAS 446254-57-5)
- 2,2',3',4,5-Pentabromodiphenyl Ether (CAS 446254-64-4)
- 2,2',3,4,6-Pentabromodiphenyl Ether (CAS 446254-55-3)
- 2,2',3',4,6-Pentabromodiphenyl ether (CAS 38463-82-0)
- 2,2',3,5,5'-Pentabromodiphenyl ether (CAS 446254-59-7)
- 2,2',3,5,6'-Pentabromodiphenyl ether (CAS 446254-61-1)
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Why CATO?
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