Itaconic acid, CAS No. 97-65-4

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97-65-4

Catalog No. EBD16286

CAS 97-65-4

Name Itaconic acid

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Basic Information

Synonyms: Methylenebutanedioicacid 2-methylidenebutanedioate methylene-butanedioicaci methylene-succinicaci succinicacid,methylene- 3-carboxy-3-butenoicacid 2-propene-1,2-dicarboxylicacid propylenedicarboxylicacid ItaconicAcid Methylenesuccinicacid

Molecular Formula: C5H6O4

Molecular Weight: 130.1

MDL Number: MFCD00004260

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Polyester and Bio-based Polymer Precursors Functional Chemicals > Consumer & Industrial Chemicals > Industrial Auxiliaries Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters

Product Description:

Itaconic acid is an unsaturated dicarboxylic acid with the molecular formula C5H6O4. It is a white crystalline solid that is soluble in water, ethanol, and acetone. Itaconic acid is a naturally occurring organic acid, historically produced by the fermentation of carbohydrates by fungi such as *Aspergillus terreus*, though synthetic routes also exist. Its primary industrial application is as a key monomer in polymer chemistry. It serves as a bio-based alternative to petrochemical-derived acrylic and methacrylic acids. Itaconic acid is copolymerized with other monomers to produce resins, plastics, elastomers, and synthetic fibers. These polymers find use in latex paints, adhesives, superabsorbent polymers, and as a component in unsaturated polyester resins (UPRs). It is also used as a chelating agent, a comonomer in acrylic fibers, and a precursor for various chemical intermediates. As a renewable platform chemical, itaconic acid is of significant interest in green chemistry and sustainable material development. Its unique structure, featuring a conjugated double bond and two carboxylic acid groups, makes it a versatile building block for synthesizing specialty chemicals, including surfactants and detergents.

Physical Properties

Melting Point: 165-168 °C(lit.)

Boiling Point: 268°C

Flash Point: 268°C

Density: 1.573 g/mL at 25 °C(lit.)

Analytical Data

Appearance: white crystalline powder