.alpha.,.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloroxylene 1,3-Bis(trichloromethyl)benzene 1,3-Di(trichloromethyl)benzene 881-99-2 Benzene,3-bis(trichloromethyl)- NSC-41882 NSC41882 WLN: GXGGR CXGGG m-Bis(trichlormethyl)benzene m-Bis(trichloromethyl)benzene m-Bis(tricholormethyl)benzene m-Xylene,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloro- CAS 881-99-2
| CAS No. | 881-99-2 |
| Molecular Formula | C8H4Cl6 |
| Molecular Weight | 312.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 312.84 g/mol gives .alpha.,.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloroxylene 1,3-Bis(trichloromethyl)benzene 1,3-Di(trichloromethyl)benzene 881-99-2 Benzene,3-bis(trichloromethyl)- NSC-41882 NSC41882 WLN: GXGGR CXGGG m-Bis(trichlormethyl)benzene m-Bis(trichloromethyl)benzene m-Bis(tricholormethyl)benzene m-Xylene,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloro- distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
.alpha.,.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloroxylene 1,3-Bis(trichloromethyl)benzene 1,3-Di(trichloromethyl)benzene 881-99-2 Benzene,3-bis(trichloromethyl)- NSC-41882 NSC41882 WLN: GXGGR CXGGG m-Bis(trichlormethyl)benzene m-Bis(trichloromethyl)benzene m-Bis(tricholormethyl)benzene m-Xylene,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloro- (CAS 881-99-2), molecular formula C8H4Cl6 and molecular weight 312.84 g/mol, is a CATO reference standard with documented purity and traceability.
.alpha.,.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloro-m-xylene .alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-Hexachloroxylene 1,3-Bis(trichloromethyl)benzene 1,3-Di(trichloromethyl)benzene 881-99-2 Benzene,3-bis(trichloromethyl)- NSC-41882 NSC41882 WLN: GXGGR CXGGG m-Bis(trichlormethyl)benzene m-Bis(trichloromethyl)benzene m-Bis(tricholormethyl)benzene m-Xylene,.alpha.,.alpha.,.alpha.',.alpha.',.alpha.'-hexachloro- (C8H4Cl6) contains chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C8H4Cl6 |
| Molecular Weight | 312.84 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| 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.) | 1957 |
| Halogen Content | Cl-containing |
Recommended Standards
- α,α,α,α',α',α'-Hexachloro-p-xylene (CAS 68-36-0)
- Clomipramine EP Impurity C (CAS 2095-42-3)
- 4-[(4-Chlorophenyl)sulfanyl]-6-(methoxymethyl)-2-(methylsulfanyl)pyrimidine (CAS 338747-96-9)
- Loratadine Impurity 76 (CAS CATO-C4X-142676)
- 5-(1-(4-Chloro-3,5-dimethylphenoxy)ethyl)-4-methyl-4H-1,2,4-triazole-3-thiol (CAS 588674-42-4)
- 4-n-Nonylphenol tetraethoxylate (CAS 7311-27-5)
- 3-((2-Methylpiperidin-1-yl)methyl)benzenethiol (CAS 1443346-12-0)
- 4-(2-Phenoxyethoxy)-N-(2-propoxybenzyl)aniline (CAS 1040691-61-9)
- 2-chloro-5-(trifluoromethoxy)benzo[d]thiazole (CAS 1206541-62-9)
- Ethyl 4-bromo-2-chloro-6-fluorobenzoate (CAS 1807003-10-6)
- Proparacaine Impurity 10 (CAS CATO-C4X-202710)
- 5-(Propylthio)-1H-1,2,4-triazol-3-amine (CAS 51493-17-5)
- 83916-76-1 Benzo[3,4]cycloocta[1,2-f][1,3]benzodioxol-8-ol,5,6,7,8-tetrahydro-1,2,3,13-tetramethoxy-6,7- dimethyl-,(6S,7S,8R,13aS)- (CAS 83916-76-1)
- Semaglutide impurity 27 (CAS CATO-C4X-222627)
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