Polyethylene Glycol Diglycidyl Ether(n=approx.22) CAS 26403-72-5
| CAS No. | 26403-72-5 |
| Molecular Formula | C8H14O4 |
| Molecular Weight | 174.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Polyethylene Glycol Diglycidyl Ether(n=approx.22) (CAS 26403-72-5), molecular formula C8H14O4 and molecular weight 174.19 g/mol, is a CATO reference standard with documented purity and traceability.
Polyethylene Glycol Diglycidyl Ether(n=approx.22) (C8H14O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
As a certified reference material (CRM), Polyethylene Glycol Diglycidyl Ether(n=approx.22) meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H14O4 |
| Molecular Weight | 174.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1964 |
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