4-Bromo-N,N-di-p-tolylaniline CAS 58047-42-0
| CAS No. | 58047-42-0 |
| Molecular Formula | C20H18BrN |
| Molecular Weight | 352.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Bromo-N,N-di-p-tolylaniline (CAS 58047-42-0), molecular formula C20H18BrN and molecular weight 352.27 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, bromine substitution, 4-Bromo-N,N-di-p-tolylaniline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 352.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-Bromo-N,N-di-p-tolylaniline 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 | C20H18BrN |
| Molecular Weight | 352.27 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 2,4-Dibromo-1-ethylbenzene (CAS 66634-86-4)
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- 2-(hydroxymethyl)pyridine-3-carboxamide (CAS 115012-11-8)
- N-(2-Aminoethyl)-5-chloronaphthalene-1-sulfonamide (CAS 83298-75-3)
- 1,1,1-Trifluoro-3-(4-(4-nitrophenyl)piperazin-1-yl)propan-2-ol (CAS 478258-73-0)
- 3-(4-Aminopiperidin-1-yl)-1,1,1-trifluoropropan-2-ol (CAS 1480444-30-1)
- (S)-2-((1-((Benzyloxy)carbonyl)pyrrolidin-3-yl)(methyl)amino)acetic acid (CAS 1354000-43-3)
- 2-Chloro-N-(4-isopropylphenyl)acetamide (CAS 1527-61-3)
- 3-Amino-4-oxo-4H-quinolizine-1-carbonitrile (CAS 188816-65-1)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
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