Benzene, methyl-, tetrachloro deriv. CAS 76057-12-0
| CAS No. | 76057-12-0 |
| Molecular Formula | C7H4Cl4 |
| Molecular Weight | 229.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to chlorine substitution, an aromatic ring system, Benzene, methyl-, tetrachloro deriv. is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 229.92 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).
Benzene, methyl-, tetrachloro deriv. (CAS 76057-12-0) is a high-purity analytical reference standard with the molecular formula C7H4Cl4 and a molecular weight of 229.92 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C7H4Cl4 |
| Molecular Weight | 229.92 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.) | 1978 |
| Halogen Content | Cl-containing |
Related Benzene Standards
- 352-34-1 Benzene, 1-fluoro-4-iodo- 4-Fluoroiodobenzene EINECS 206-522-7 p-Fluoroiodobenzene 1-Fluoro-4-iodobenzene p-Iodofluorobenzene 4-Iodofluorobenzene NSC 10280 (CAS 352-34-1)
- 2163-97-5 Benzene, 4-chloro-1-(methylsulfonyl)-2-nitro- 4-Chloro-2-nitrophenylmethyl sulphone 4-Chloro-2-nitrophenyl methyl sulfone EINECS 218-496-4 (CAS 2163-97-5)
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