Tricresyl Phosphate (TCP) is a colorless to pale yellow, viscous liquid organophosphate ester widely recognized as one of the most effective phosphate-based plasticizers and flame-retardant additives. TCP imparts excellent flame retardancy, good plasticizing efficiency, low volatility, and superior hydrolytic stability for PVC, polyurethane, cellulose nitrate, ethyl cellulose, and synthetic rubber applications.

 

Technical Specifications

ITEMS SPECIFICATIONS
Appearance Colorless or light-yellow Liquid
Phosphorus Content ≥8.3%
Acid Value ≤0.1mgKOH/g
Free Phenol ≤0.1%
Loss on Heat ≤0.1%

 

Packaging and Storage

  • Net weight 200kgs galvanized iron drum, 16MT/FCL with pallets
  • Store in a cool, dry, well-ventilated area away from strong oxidants and acids.

 

Advantages of Tricresyl Phosphate (TCP)

  • Exceptional thermal and hydrolytic stability
  • High plasticizing efficiency with good compatibility in PVC, cellulose nitrate, and various synthetic rubbers
  • Excellent resistance to weathering, oil, and chemicals
  • Low volatility and high thermal stability (decomposition >300°C)

 

Primary Applications of Tricresyl Phosphate (TCP)

  • PVC flexible cables and wire & cable insulation (especially for 90–105°C rated products)
  • Conveyor belts, flooring, roofing membranes, and tarpaulins
  • Anti-foaming agent in hydraulic fluids and extreme-pressure lubricants
  • Flame-retardant plasticizer in cellulosic resins and vinyl coatings
  • Synthetic rubber and nitrocellulose formulations

 

Frequently Asked Questions (FAQs)

Is TCP still used in aviation hydraulic fluids?
While TCP was formerly used in aircraft hydraulic fluids (e.g., Skydrol competitor), most modern aviation fluids have transitioned to tributyl phosphate (TBP) or other safer phosphate esters. Industrial-grade TCP remains widely used in non-aviation applications.

Can TCP be used in food-contact applications?
No. TCP is not FDA or EU 10/2011 approved for food contact materials.

Is TCP biodegradable?
TCP exhibits low biodegradability but is readily eliminated in properly operated biological wastewater treatment plants.

Are there halogen-free alternatives to TCP?
Yes. For applications requiring halogen-free flame retardancy, consider aryl phosphates (e.g., RDP, BDP) or non-phosphate alternatives such as aluminum diethyl phosphinate.

Does TCP contain phthalates?
No. TCP is a phosphate ester plasticizer and is completely phthalate-free.

 

Related Products

Product Name CAS No. Key Applications Link / Quick View
Tris(2-Ethylhexyl) Phosphate (TOP) 78-42-2 Effective flame-retardant and low-temperature plasticizers for PVC, cellulose derivatives, and synthetic rubbers. View Product →
Trioctyl Trimellitate (TOTM) 3319-31-1 Premium, high-molecular-weight, heat-resistant, and low-volatility primary plasticizer View Product →
Diisononyl Phthalate (DINP) 28553-12-0 High-molecular-weight, general-purpose, non-phthalate-alternative phthalate plasticizer View Product →
Diisodecyl Phthalate (DPHP) 26761-40-0 High-molecular-weight, branched general-purpose phthalate plasticizer View Product →
Dioctyl Phthalate (DOP) 117-84-0 The most widely used general-purpose plasticizer for PVC worldwide View Product →
Dioctyl Adipate (DOA) 123-79-5 A typical, highly efficient, primary cold-resistant plasticizer with excellent low-temperature flexibility, good heat stability, and superior resistance to weathering and UV light. View Product →
Dioctyl Terephthalate (DOTP) 6422-86-2 High-performance, general-purpose, non-phthalate plasticizer widely recognized as one of the safest and most environmentally friendly alternatives to traditional phthalate plasticizers. View Product →
Acetyl Tributyl Citrate (ATBC) 77-90-7 ATBC serves as an eco-friendly and non-toxic alternative to traditional phthalate-based plasticizers. It is approved for use in food-contact materials, medical devices, and children’s products. View Product →

 

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