cas 21149-38-2, BIS(TRIMETHYLSILYL) SULFATE | Articles data ｜lookchem

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21149-38-2

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Bifunctional DTPA-type ligand
The subject matter of the present invention relates to bifunctional cyclohexyl DPTA ligands and methods for utilizing these compounds.
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(2008/06/13)

Method for the preparation of persilylated carboxylic acid amides
Disclosed is a method of preparing bis-trimethylsilylamides of carboxylic acids from the carboxylic acid amide by mixing two equivalents of trimethylchlorosilane and an excess of hexamethyldisilazane, heating the mixture to 40° to 80° C. and adding two equivalents of a tertiary amine as acid acceptor. The method results in substantially improved purity and yield of end product.
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(2008/06/13)

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Chemical Properties

Melting Point: 41-44 °C(lit.)
Boiling Point: 87-90 °C4 mm Hg(lit.)
Flash Point:27 °F
Density: 1.018 g/cm³
Storage Temp.:0-6°C
Vapor Pressure: 3.98mmHg at 25°C
PKA: -1.04±0.70(Predicted)
PSA: 20.31000
LogP: 3.04710

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