1,4-Dibromonapthalene CAS 83-53-4
| CAS No. | 83-53-4 |
| Molecular Formula | C10H6Br2 |
| Molecular Weight | 285.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Dibromonapthalene (CAS 83-53-4) is a high-purity analytical reference standard with the molecular formula C10H6Br2 and a molecular weight of 285.96 g/mol.
The molecular framework of 1,4-Dibromonapthalene (C10H6Br2) is characterized by bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
CATO manufactures 1,4-Dibromonapthalene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H6Br2 |
| Molecular Weight | 285.96 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Recommended Standards
- 7A260PBI3A 90-59-5 3,5-Dibromosalicylaldehyde Benzaldehyde, 3,5-dibromo-2-hydroxy- 3,5-Dibromo-2-hydroxybenzaldehyde Salicylaldehyde, 3,5-dibromo- (6CI,7CI,8CI) 3-08-00-00188 (Beilstein Handbook Reference) BRN 1424739 Dalyde 3,5-Dibromosalicylaldeyde EINECS 202-003-4 2-Hydroxy-3,5-dibromobenzaldehyde NSC 6221 UNII-7A260PBI3A (CAS 90-59-5)
- 1-(1-Bromopropan-2-yl)-2,4-dichloro-5-fluorobenzene (CAS 1540593-90-5)
- 2,7-Dibromonaphthalene, 97% (CAS 58556-75-5)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com