(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl) bis(2-methylacrylate) CAS 18547-93-8

Description

The occurrence of (1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl) bis(2-methylacrylate) is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl) bis(2-methylacrylate) (CAS 18547-93-8), molecular formula C18H34O5Si2 and molecular weight 386.63 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl) bis(2-methylacrylate) (C18H34O5Si2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 386.63 g/mol, it falls into the moderately-high-molecular-weight range.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

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