Triphenylphosphine Hydrobromide CAS 6399-81-1
| CAS No. | 6399-81-1 |
| Molecular Formula | C18H16P |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Triphenylphosphine Hydrobromide (C18H16PBr) contains organophosphorus functionality, bromine substitution, a polycyclic aromatic system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies Triphenylphosphine Hydrobromide (CAS 6399-81-1), a certified reference material (molecular formula C18H16PBr, MW 343.20 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Triphenylphosphine Hydrobromide 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 | C18H16P Br |
| Molecular Weight | 343.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 10.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
Related Triphenylphosphine Standards
- Triphenylphosphine(1,5-cyclooctadiene)[1,3-bis(2,4,6-trimethylphenyl)imidazol-2-ylidene]iridium(I) hexafluorophosphate (CAS 1019853-00-9)
- Bis(triphenylphosphine)platinum dichloride (CAS 10199-34-5)
- Bis(triphenylphosphine)copper(1+) nitrate (CAS 106678-35-7)
- (Triphenylphosphine)ethylpyruvate (CAS 13321-61-4)
- Tris(triphenylphosphine)platinum (CAS 13517-35-6)
- Bis(triphenylphosphine)palladium(II) dichloride (CAS 13965-03-2)
- Bis(triphenylphosphine)nickel dibromide (CAS 14126-37-5)
- Bis(triphenylphosphine)cobalt chloride (CAS 14126-40-0)
Recommended Standards
- 3-(3-Nitrophenyl)-3-oxopropanenitrile (CAS 21667-64-1)
- Diethyl 4,4'-((2-((5-(4-chlorophenyl)furan-2-yl)methylene)malonyl)bis(azanediyl))dibenzoate (CAS 373613-93-5)
- 8-Methoxy-4-oxo-1,4-dihydroquinoline-2-carboxylic acid (CAS 93445-77-3)
- 5-Chloro-2-methoxypyrimidin-4(3H)-one (CAS CATO-C4X-164925)
- 4-(6-Bromopyrimidin-4-yl)morpholine (CAS 1017781-95-1)
- 3-Cyclopropoxy-2,5-dimethoxypyridine (CAS 1243311-33-2)
- 1-Methoxyisoquinoline (CAS 23724-93-8)
- 2＇,5＇-Dihydroxyacetophenone (CAS 490-78-8)
- Ferulamide (CAS 61012-31-5)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
Why CATO?
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