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Biodegradable Biobased Plasticizer Emerges As Safer Phthalate Alternative

Biodegradable Biobased Plasticizer Emerges As Safer Phthalate Alternative

2026-10-20

In an era increasingly focused on sustainability and health safety, the search for non-phthalate plasticizers has become paramount in the PVC industry. Tributyl Citrate (TBC), with CAS number 77-94-1, emerges as a groundbreaking solution that addresses both environmental concerns and performance requirements.

The Green Alternative

TBC represents a significant advancement in plasticizer technology. As a bio-based compound derived from renewable resources, it completely eliminates the health risks associated with traditional phthalate plasticizers, including endocrine disruption and reproductive toxicity. Its molecular formula C₁₈H₃₂O₇ and molecular weight of 360.41 give it unique properties that make it both effective and environmentally responsible.

What sets TBC apart is its biodegradability, ensuring minimal environmental impact at the end of its lifecycle. This characteristic aligns perfectly with global sustainability initiatives and stricter environmental regulations.

Superior Technical Specifications

TBC boasts impressive physical and chemical properties that make it highly suitable for industrial applications:

  • Appearance: Colorless transparent liquid
  • Pt-Co color value: ≤30
  • Ester content: ≥99.0%
  • Density: 1.037~1.045 g/cm³ at 20℃
  • Viscosity: 24.0~28.0 mPa·s
  • Water content: ≤0.15%
  • Flash point: ≥185℃
  • Acid value: ≤0.05 mgKOH/g
  • Phthalate content: Not detected (ND)

These specifications ensure excellent plasticizing effects, processing stability, and safety during both manufacturing and product use.

Versatile Applications

TBC's applications span across multiple industries where safety and environmental considerations are crucial:

Medical and Food Contact Products: In PVC glove manufacturing, TBC enhances flexibility while ensuring biocompatibility, making it ideal for medical applications and food handling.

Footwear Industry: TBC serves as an excellent plasticizer for eco-friendly shoe soles and insoles, providing durability and cold resistance without environmental contamination.

Consumer Goods: For products like floor mats and children's toys that require direct human contact, TBC offers a safe alternative that meets stringent safety standards.

Printing Inks: The compound improves ink rheology while complying with environmental regulations, demonstrating its versatility beyond traditional plasticizing applications.

Regulatory Compliance and Market Advantage

TBC meets the strictest international regulations, including EU REACH restrictions on phthalates. Its adoption provides manufacturers with a competitive edge in markets increasingly demanding sustainable solutions. Companies incorporating TBC can enhance their brand image while future-proofing their products against evolving environmental legislation.

Available in various packaging options including 1000kg IBC totes, 220kg standard drums, and flexible intermediate bulk containers, TBC offers convenient handling and storage solutions for industrial users.

As industries worldwide transition toward greener alternatives, Tributyl Citrate stands out as a technically superior, environmentally responsible plasticizer that doesn't compromise on performance. Its development marks a significant step forward in creating safer, more sustainable PVC products for diverse applications.