1,1,1-Tribromo-3,3,3-trifluoropropan-2-one CAS 431-91-4
| CAS No. | 431-91-4 |
| Molecular Formula | C3Br3F3O |
| Molecular Weight | 348.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a hydroxyl group, an ether linkage, fluorine/bromine substitution, 1,1,1-Tribromo-3,3,3-trifluoropropan-2-one is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 348.74 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
1,1,1-Tribromo-3,3,3-trifluoropropan-2-one (CAS 431-91-4) is a high-purity analytical reference standard with the molecular formula C3Br3F3O and a molecular weight of 348.74 g/mol.
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), 1,1,1-Tribromo-3,3,3-trifluoropropan-2-one 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 | C3Br3F3O |
| Molecular Weight | 348.74 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F/Br-containing |
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