Triisobutyl Phosphate (TIBP), CAS 126-71-6, is a high-performance organophosphate ester renowned for its role as an efficient defoamer, plasticizer, and solvent. This clear, colorless liquid exhibits low volatility, excellent thermal stability, and compatibility with a wide range of formulations, making it indispensable in industrial processes where foam control and material enhancement are critical.
Technical Specifications
| ITEMS | SPECIFICATIONS |
| Appearance | A white, fine, light powder, greasy to touch |
| Assay | ≥99.0% |
| Specific Gravity (20/20℃) | 0.960-0.970 |
| Chroma (Pt-Co) | ≤20 |
| Refractive Index (N20D) | 1.4190-1.4200 |
| Acid Value (as H+,mmol KOH /100g) | ≤0.1 |
| Water Content | ≤0.1% |
Package and Storage
- Net weight 200kg/iron drum or 1000kg/IBC..
- Handle with care, no vigorous strike is permitted.Deposited in shady, airy and dry warehouse. Keep away from fire and rain.
Key Features and Benefits of Triisobutyl Phosphate (TIBP)
Triisobutyl Phosphate (TIBP) stands out for its multifaceted utility, delivering measurable advantages in efficiency, safety, and sustainability:
Superior Foam Control:
Effectively suppresses foam in high-shear environments, reducing processing time and waste in manufacturing.
Enhanced Plasticization:
Improves flexibility, elongation, and low-temperature resilience in PVC, rubber, and resin-based products without compromising strength.
Broad Chemical Compatibility:
Soluble in most organic solvents; low water solubility prevents phase separation in emulsions.
Eco-Friendly Profile:
Biodegradable under certain conditions and lower in toxicity compared to aromatic alternatives, supporting green chemistry initiatives.
Thermal and Oxidative Stability:
Withstands elevated temperatures, ideal for demanding applications like drilling and coatings.
Applications of Triisobutyl Phosphate (TIBP)
TIBP excels in multiple sectors, leveraging its defoaming, plasticizing, and solvating capabilities.
Construction and Concrete Admixtures:
Acts as a powerful defoamer to prevent foam buildup in ready-mix concrete, ensuring smooth pouring and reduced air entrainment for stronger structures.
Plastics and Resins:
Serves as a flame-retardant plasticizer in PVC, polyurethane, and synthetic rubbers, enhancing flexibility, fire resistance, and processability without compromising clarity.
Hydrometallurgy and Extraction:
Functions as an efficient extractant for rare earth elements and heavy metals from ores, improving recovery rates in solvent extraction processes.
Textiles and Paper Coatings:
Used as an auxiliary agent to control foaming in dyeing and coating formulations, promoting even application and superior finish quality.
Oilfield and Drilling:
Foam suppressant in water-based muds and fracturing fluids, improving pump efficiency and reducing downtime.
Paints, Coatings, and Inks:
Coalescing aid and solvent extender for latex emulsions, promoting film integrity and faster drying.
Other Industrial Uses:
Solvent in inks, adhesives, and lubricants; viscosity reducer in coatings.
Safety and Handling Guidelines
Triisobutyl Phosphate (TIBP) is generally considered low-hazard but requires standard precautions due to potential skin sensitization.
Personal Protective Equipment (PPE):
Wear chemical-resistant gloves, safety goggles, and protective clothing. Use respiratory protection in poorly ventilated areas.
Storage:
Keep in cool, dry, well-ventilated areas away from oxidizers and strong acids. Store in sealed containers to prevent moisture absorption.
Spill Response:
Absorb with inert material; avoid dust formation. Neutralize residues if needed.
Environmental Considerations:
Dispose of in accordance with local regulations; TIBP is biodegradable under aerobic conditions but should not enter waterways untreated.
Frequently Asked Questions (FAQs)
What is Triisobutyl Phosphate (TIBP)?
TIBP is an organophosphate ester derived from isobutanol and phosphoric acid, valued for its low toxicity and multifunctional properties as a plasticizer and defoamer.
What are the main benefits of using TIBP as a plasticizer?
It provides excellent flame retardancy, low volatility, and high compatibility with polymers, leading to durable, flexible materials without migration issues.
How does TIBP function as an antifoaming agent?
TIBP disrupts foam stability by reducing surface tension and promoting bubble coalescence, effectively controlling foam in aqueous systems like concrete and textiles without affecting viscosity.
Is TIBP safe for use in consumer products?
While low in acute toxicity, TIBP may cause skin allergies. It’s suitable for industrial applications but not recommended for direct skin contact or food packaging without regulatory approval.
How does TIBP compare to Triisopropyl Phosphate (TIPP)?
TIBP provides better low-temperature fluidity and foam control in non-polar systems, while TIPP excels in higher-volatility applications. Both are effective plasticizers, but TIBP is less hygroscopic.
Where can I purchase high-quality Triisobutyl Phosphate (TIBP)?
You should buy TIBP from reliable suppliers. Contact us via email [email protected] for an offer.
