Trioctyl Trimellitate,

TOTM stands for Trioctyl Trimellitate, a high-performance plasticizer often used as an alternative to phthalates in the production of flexible polyvinyl chloride (PVC) and other plastics. It is valued for its excellent thermal stability, low volatility, and high resistance to extraction, making it suitable for applications where durability and flexibility are key.

Key Product Details for TOTM (Trioctyl Trimellitate)

1. Chemical Composition and Properties

• Chemical Formula: C₃₃H₅₄O₆
• CAS Number: 3319-31-1
• Physical Form: Clear, colorless to pale yellow liquid
• Molecular Weight: Approximately 546.78 g/mol
• Density: Around 0.99 g/cm³
• Viscosity: Low to moderate viscosity, contributing to ease of processing
• Boiling Point: High boiling point, which supports thermal stability in applications
• Odor: Generally low odor, preferred for applications requiring minimal off-gassing

2. Performance Characteristics

• High Thermal Stability: TOTM withstands high temperatures, making it suitable for applications that involve exposure to heat.
• Low Volatility: Resists evaporation, maintaining plastic flexibility over time and reducing the risk of brittleness.
• Extraction Resistance: Exhibits strong resistance to leaching and migration, even in contact with oils, chemicals, or heat.
• UV Stability: Stable under UV exposure, preventing degradation from sunlight.

3. Applications

• Medical and Healthcare: TOTM is often used in medical-grade tubing, blood bags, and other devices requiring sterilization, as it doesn’t release harmful compounds.
• Automotive Industry: Used in wire and cable insulation, gaskets, and dashboard components due to its resistance to high temperatures.
• Electrical and Electronics: Employed in flexible cables and insulation where durability and flexibility are needed in high-heat environments.
• Food Contact Materials: Sometimes used in packaging materials for food, thanks to its low extraction properties and low migration risk.
• High-Performance Films and Coatings: TOTM is used in applications where long-term flexibility and stability are required.

4. Safety and Handling

• Toxicity: Considered a safer alternative to traditional phthalate plasticizers, with low health risks.
• Protective Equipment: Use gloves and eye protection during handling to prevent irritation, as with most chemicals.
• Storage: Should be stored in a cool, dry place away from strong oxidizing agents to prevent degradation.

5. Packaging and Transportation

• Standard Packaging: Typically packaged in drums or IBC (Intermediate Bulk Containers) for industrial use.
• Transportation: Classified as non-hazardous, but standard precautions apply during transport to prevent leaks and spills.

6. Environmental Impact

• Biodegradability: While more environmentally friendly than some phthalates, TOTM is not fully biodegradable and should be disposed of responsibly.
• Phthalate-Free Advantage: TOTM is commonly chosen over phthalates (like DEHP) due to its reduced environmental and health risks, contributing to safer product formulations.

Summary

TOTM is a high-performance, phthalate-free plasticizer valued for its stability, low volatility, and extraction resistance, making it ideal for high-temperature and durable plastic applications, especially in medical, automotive, and electrical products.