Overview
Bio-itaconic acid is a bio-based organic acid produced through fermentation of carbohydrates by microorganisms such as Aspergillus terreus. As a sustainable alternative to petrochemical-derived itaconic acid, it has gained prominence in green chemistry initiatives. The compound features a reactive double bond and two carboxyl groups, making it a versatile building block for various chemical syntheses. Its production via microbial routes aligns with circular economy principles, reducing reliance on fossil fuels.
Physical and Chemical Properties
Bio-itaconic acid appears as a white crystalline solid with good water solubility. The presence of both carboxyl groups and a methylene group gives it unique reactivity patterns, particularly in polymerization reactions. With a melting point between 165-168°C, it remains stable under normal storage conditions. The compound's acidity (pKa values of 3.85 and 5.45) makes it useful as a pH modifier in various formulations.
Main Applications
The primary use of bio-itaconic acid is in polymer production, where it serves as a monomer for synthetic resins, particularly in styrene-butadiene copolymers. These find applications in latex paints, paper coatings, and adhesives. Emerging applications include bio-based plastics, where it acts as a building block for polyitaconate esters. The detergent industry utilizes it as a chelating agent, while the pharmaceutical sector explores its derivatives for drug formulations.
Safety and Storage
Bio-itaconic acid is generally considered low toxicity, but standard precautions should be followed. Use gloves and eye protection when handling, as it may cause mild irritation upon prolonged contact. Store in sealed containers at room temperature, protected from moisture. The compound is stable under normal conditions but may degrade if exposed to extreme heat or incompatible chemicals over extended periods.
B2B Procurement Guide
When sourcing bio-itaconic acid, verify the production method and microbial strain used, as these affect product consistency. Request certificates of analysis for purity (typically 99%+ for industrial use) and bio-based content certification. Consider logistics requirements - the compound ships best in moisture-proof packaging. For large-scale procurement, negotiate contracts with fermentation technology specialists who can ensure stable supply chains and consistent quality.
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