CAS:541-16-2 | Di-tert-Butyl Malonate

The corresponding substance of CAS number 541-16-2 is Di-tert-Butyl Malonate, also known as 1,3-di-tert-butyl propanedioate. Its molecular formula is C₁₁H₂₀O₄ and its molecular weight is 216.274.

Di-tert-Butyl Malonate is a transparent colorless to slightly yellow liquid. Its density is 1.0±0.1 g/cm³, the boiling point is 217.6±0.0 °C at 760 mmHg, the melting point is from -7 to -6 °C, the flash point is 88.9±0.0 °C, the refractive index is 1.433. It is hardly soluble in water, and the vapor pressure is 0.1±0.4 mmHg at 25 °C.

Uses:
Organic synthesis intermediate: Di-tert-Butyl Malonate can be used for the synthesis of some complex organic compounds. For example, under the action of reagents such as cesium carbonate, p-toluenesulfonyl azide, and with tetrahydrofuran as the solvent, it can participate in reactions at room temperature to prepare di-tert-butyl diazomalonate, etc.
Method of Preparation:
Di-tert-butyl malonate is usually produced by ester exchange reaction between acrylate and tert-butanol in the presence of catalyst.

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