Tetrakis(4-bromophenyl)germane CAS 1018982-18-7
| CAS No. | 1018982-18-7 |
| Molecular Formula | C24H16Br4Ge |
| Molecular Weight | 696.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Tetrakis(4-bromophenyl)germane (C24H16Br4Ge) contains bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 696.64 g/mol, it falls into the high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Tetrakis(4-bromophenyl)germane (CAS 1018982-18-7), molecular formula C24H16Br4Ge and molecular weight 696.64 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.
As a certified reference material (CRM), Tetrakis(4-bromophenyl)germane 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 | C24H16Br4Ge |
| Molecular Weight | 696.64 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
Related Tetrakis Standards
- 5,10,15,20-Tetrakis(4-aminophenyl)porphyrin (CAS 22112-84-1)
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- 2,3,5,6-Tetrakis(4-bromophenyl)pyrazine (CAS 52889-50-6)
- Tetrakis(4-(bromomethyl)phenyl)methane (CAS 1535222-54-8)
- 3',4',5',6'-Tetrakis(4-formylphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarbaldehyde (CAS 1862220-96-9)
- 1,1,2,2-Tetrakis(4-(bromomethyl)phenyl)ethene (CAS 67448-47-9)
- 1,3,6,8-Tetrakis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrene (CAS 1398053-00-3)
- 5,10,15,20-Tetrakis(4-fluorophenyl)-21H,23H-porphine (CAS 37095-43-5)
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