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CAS NO 5402-55-1

Discover high-purity Dimethyl Itaconate, a versatile chemical compound widely used in polymer synthesis, adhesives, and coatings. As a leading supplier of CAS 5402-55-1, we ensure exceptional quality for industrial applications, including monomers and specialty chemicals. Our product meets rigorous standards for dimethyl itaconate usage, offering reliable performance in sectors such as plastics and resins. Explore our detailed specifications below to understand why professionals trust our CAS number products for consistent results.


CAS NO 5402-55-1 refers to Dimethyl Itaconate, an ester of itaconic acid with the molecular formula C7H10O4. This compound is characterized by its clear to pale yellow liquid appearance and mild odor, making it suitable for various chemical processes. It is synthesized through esterification reactions and is known for its role in creating copolymers and enhancing material properties. The substance has a boiling point of approximately 212°C and a melting point around -20°C, with a density of 1.124 g/mL at 25°C. Its solubility in organic solvents like ethanol and ether facilitates easy integration into formulations, while its low volatility ensures safe handling under standard conditions. Storage recommendations include keeping it in a cool, dry place away from direct sunlight to maintain stability.

Product Parameters

  • Chemical Name: Dimethyl Itaconate
  • CAS Number: 5402-55-1
  • Molecular Formula: C7H10O4
  • Appearance: Clear to pale yellow liquid
  • Odor: Mild, characteristic
  • Purity: ≥98.5%
  • Boiling Point: 212°C
  • Melting Point: -20°C
  • Density: 1.124 g/mL at 25°C
  • Flash Point: 93°C
Parameter Value Unit
Molecular Weight 158.15 g/mol
Refractive Index 1.442 at 20°C
Solubility in Water Slightly soluble -
Vapor Pressure 0.15 mmHg at 25°C
Storage Temperature 2-8°C -

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