diethyl 2,2-bis(hydroxymethyl)malonate, CAS No. 20605-01-0

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20605-01-0

Catalog No. EBD2199088

CAS 20605-01-0

Name diethyl 2,2-bis(hydroxymethyl)malonate

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Basic Information

Synonyms: diethyl2,2-bis(hydroxymethyl)malonate EthylDimethylolMalonate bis(1-hydroxypropan-2-yl)propanedioate diethylbis(hydroxymethyl)propanedioate Diethylbis(hydroxymethyl)malonate bis-(hydroxymethyl)diethylester bis-(hydroxymethyl)-diethylmalonate bis(hydroxymethyl)-propanedioicacidiethylester 2,2-di(hydroxymethyl)malonicaciddiethylester malonicacid,bis[hydroxymethyl]diethylester 2,2-bis(hydroxymethyl)malonicaciddiethylester propanedioicacid,bis(hydroxymethyl)-,diethylester

Molecular Formula: C9H16O6

Molecular Weight: 220.22

MDL Number: MFCD00009130

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Polyester and Bio-based Polymer Precursors Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters

Product Description:

Diethyl bis(hydroxymethyl)malonate is a versatile bifunctional monomer characterized by a central malonate core flanked by two hydroxymethyl groups and two ethyl ester groups. This structure provides both hydroxyl and ester functionalities, making it a valuable building block in polymer chemistry. Its primary industrial application is as a key precursor in the synthesis of specialty polyesters and other functional polymers. The molecule can undergo polycondensation reactions via its hydroxyl groups, or its ester groups can be modified or polymerized. It is particularly significant in the development of hyperbranched polymers and dendritic structures due to its A2B2-type (two different functional groups) architecture, which allows for controlled branching and the creation of polymers with unique properties such as low viscosity and high solubility. Beyond polymer synthesis, it serves as a useful organic synthesis intermediate. The reactive hydroxymethyl groups can be further functionalized, and the malonate ester moiety is amenable to various classic condensation and alkylation reactions, enabling its use in constructing more complex molecular frameworks in synthetic chemistry.

Physical Properties

Melting Point: 49-51 °C(lit.)

Boiling Point: 351.3 °C at 760 mmHg

Flash Point: 110 °C

Density: 1.229 g/cm3

Analytical Data

Appearance: white to almost white crystalline solid