1,2,3,8,9-Pentachlorodibenzo-p-dioxin CAS 71925-18-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71925-18-3 |
| Molecular Formula | C12H3Cl5O2 |
| Molecular Weight | 356.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,3,8,9-Pentachlorodibenzo-p-dioxin (CAS 71925-18-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C12H3Cl5O2. Molecular weight: 356.42 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C12H3Cl5O2 |
| Molecular Weight | 356.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Cl-containing |
Related Pentachlorodibenzo Standards
- 1,2,3,4,7-Pentachlorodibenzo-p-dioxin (CAS 39227-61-7)
- 1,2,3,7,8-Pentachlorodibenzo-p-dioxin (CAS 40321-76-4)
- 1,2,4,7,8-Pentachlorodibenzo-p-dioxin (CAS 58802-08-7)
- 1,2,3,7,8-pentachlorodibenzo[b,d]furan (CAS 57117-41-6)
- 1,2,4,6,7-Pentachlorodibenzo[b,d]furan (CAS 83704-50-1)
- 1,2,4,7,9-Pentachlorodibenzo[b,d]furan (CAS 71998-74-8)
- 1,2,4,8,9-Pentachlorodibenzo[b,d]furan (CAS 70648-23-6)
- 2,3,4,6,7-Pentachlorodibenzo[b,d]furan (CAS 57117-43-8)
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