| CAS No. | 441307-02-4 |
| Molecular Formula | C14H34O5Si2 |
| Molecular Weight | 338.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
2,2'-(((1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl))bis(oxy))diethanol (CAS 441307-02-4), molecular formula C14H34O5Si2 and molecular weight 338.59 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 2,2'-(((1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl))bis(oxy))diethanol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 338.59 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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.
CATO manufactures 2,2'-(((1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl))bis(oxy))diethanol 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 | C14H34O5Si2 |
| Molecular Weight | 338.59 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 2025 |