1,1,3,3-Tetramethoxy-1,3-divinyldisiloxane CAS 18293-85-1

Purity 97%+In StockPharmaceutical Standards
CAS No.18293-85-1
Molecular FormulaC8H18O5Si2
Molecular Weight250.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,1,3,3-Tetramethoxy-1,3-divinyldisiloxane CAS 18293-85-1 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.

1,1,3,3-Tetramethoxy-1,3-divinyldisiloxane (CAS 18293-85-1) is a high-purity analytical reference standard with the molecular formula C8H18O5Si2 and a molecular weight of 250.40 g/mol.

Based on its molecular formula C8H18O5Si2, 1,1,3,3-Tetramethoxy-1,3-divinyldisiloxane contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 250.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.

As a certified reference material (CRM), 1,1,3,3-Tetramethoxy-1,3-divinyldisiloxane 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 FormulaC8H18O5Si2
Molecular Weight250.40 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1962

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