2,2′,4,4′-Tetrabromodiphenyl Ether CAS 5436-43-1
| CAS No. | 5436-43-1 |
| Molecular Formula | C12H6Br4O |
| Molecular Weight | 485.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,2′,4,4′-Tetrabromodiphenyl Ether (C12H6Br4O) 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 485.79 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).
CATO supplies 2,2′,4,4′-Tetrabromodiphenyl Ether (CAS 5436-43-1), a certified reference material (molecular formula C12H6Br4O, MW 485.79 g/mol) for analytical method development and quality control.
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′,4,4′-Tetrabromodiphenyl Ether 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 | C12H6Br4O |
| Molecular Weight | 485.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| 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.) | 1958 |
| Halogen Content | Br-containing |
Related Tetrabromodiphenyl Standards
- 3,3',5,5'-Tetrabromodiphenyl Ether (CAS 103173-66-6)
- 2,4,4',6-Tetrabromodiphenyl Ether (CAS 189084-63-7)
- 2,2',3,4'-Tetrabromodiphenyl Ether (CAS 446254-18-8)
- 2,2',3,4-Tetrabromodiphenyl ether (CAS 337513-68-5)
- 2,2',3,5'-Tetrabromodiphenyl ether (CAS 446254-20-2)
- 2,2',3,5-Tetrabromodiphenyl ether (CAS 446254-19-9)
- 2,2',3,6'-Tetrabromodiphenyl Ether (CAS 446254-22-4)
- 2,2',4,5'-Tetrabromodiphenyl Ether (CAS 243982-82-3)
Recommended Standards
- 3,4,4',5-Tetrabromodiphenyl Ether (CAS 446254-50-8)
- 2,3',4,4'-Tetrabromodiphenyl Ether (CAS 189084-61-5)
- 3,3',4,5-Tetrabromodiphenyl Ether (CAS 446254-45-1)
- 3,3',4,4'-TETRABROMODIPHENYL ETHER (CAS 93703-48-1)
- 2-(((Benzyloxy)carbonyl)amino)-2-(tetrahydrofuran-3-yl)acetic acid (CAS 1313033-25-8)
- 1-((5-Bromothiophen-2-yl)methyl)-1h-imidazol-2-amine (CAS 1183090-95-0)
- 4-(4-Aminophenyl)-2,6-bis(4-aminophenyl)pyridine (CAS 83266-97-1)
- 2-Chlorothiazolo[5,4-f]isoquinoline (CAS 35317-87-4)
- 2-Amino-3-(3-cyanophenyl)propanoic acid (CAS 63999-80-4)
- (1-Ethyl-1h-1,2,4-triazol-5-yl)methanamine (CAS 675617-97-7)
- 5-(Chloromethyl)-2-ethyl-1,3-oxazole (CAS 1206977-45-8)
- 6053-58-3 3-Cyclopentylpropan-1-amine DTXSID70623664 (CAS 6053-58-3)
- (E)-4-chloro-2-((2-(3-methyl-4-nitroisoxazol-5-yl)vinyl)amino)phenol (CAS 240799-66-0)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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