1-Bromo-4-chloro-2,5-dimethylbenzene CAS 85072-44-2
| CAS No. | 85072-44-2 |
| Molecular Formula | C8H8BrCl |
| Molecular Weight | 219.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to chlorine/bromine substitution, an aromatic ring system, 1-Bromo-4-chloro-2,5-dimethylbenzene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 219.51 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).
1-Bromo-4-chloro-2,5-dimethylbenzene (CAS 85072-44-2) is a high-purity analytical reference standard with the molecular formula C8H8BrCl and a molecular weight of 219.51 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.
CATO manufactures 1-Bromo-4-chloro-2,5-dimethylbenzene 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 | C8H8BrCl |
| Molecular Weight | 219.51 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Halogen Content | Cl/Br-containing |
Related Bromo Standards
- 2-Bromo-5-chloro-m-xylene (CAS 103724-99-8)
- 3-Bromo-5-methylbenzyl chloride (CAS 1056893-13-0)
- 1-Bromo-4-chloro-2-ethylbenzene (CAS 1160573-89-6)
- 2-Bromo-4-chloro-1,3-dimethylbenzene (CAS 1208077-17-1)
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- 4-Bromo-2-chloro-1-ethylbenzene (CAS 1310948-67-4)
- 2-Bromo-4-chloro-1-ethylbenzene (CAS 1345036-19-2)
Recommended Standards
- 1-Bromo-4-chloro-2,3-dimethylbenzene (CAS 425394-71-4)
- 2-(Bromomethyl)-1-chloro-3-methylbenzene (CAS 259733-13-6)
- 1-Bromo-4-(2-chloroethyl)benzene (CAS 23386-17-6)
- 2-(Bromomethyl)-1-chloro-4-methyl-benzene (CAS 91978-94-8)
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