| CAS No. | 638-56-2 |
| Molecular Formula | C8H16Cl2O3 |
| Molecular Weight | 231.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Diethylene Glycol Bis(2-chloroethyl) Ether (CAS 638-56-2), molecular formula C8H16Cl2O3 and molecular weight 231.12 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, Diethylene Glycol Bis(2-chloroethyl) Ether is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 231.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Diethylene Glycol Bis(2-chloroethyl) Ether 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.
| Molecular Formula | C8H16Cl2O3 |
| Molecular Weight | 231.12 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |