For chemical engineers, R&D scientists, and procurement professionals in the chemical industry, understanding the fundamental properties and synthesis routes of key compounds is vital. Tris(2-chloroethyl) phosphate (TCEP) is a significant organophosphate ester with a wide range of industrial applications, primarily as a flame retardant and plasticizer. As a leading manufacturer and supplier, NINGBO INNO PHARMCHEM CO.,LTD. is committed to providing high-quality TCEP and sharing insights into its chemistry. This article explores the core properties and synthesis of TCEP, highlighting why it is a critical component in many manufacturing processes and how to effectively source it.

Chemical Identity and Properties of TCEP

Tris(2-chloroethyl) phosphate, identified by the CAS number 115-96-8, has a molecular formula of C6H12Cl3O4P and a molecular weight of 285.49 g/mol. Its physical appearance is a colorless to light yellow transparent liquid, with a specific gravity and refractive index that are important for quality control and application formulation. Key chemical properties include:

  • Appearance: Colorless or light yellow transparent liquid.
  • Acidity: Typically very low (≤ 0.1 mg KOH/g), indicating high purity.
  • Refractive Index: In the range of 1.470-1.479 (nD25).
  • Viscosity: Approximately 38-42 mPa·s at 25℃.
  • Color: Low APHA color value (≤ 50), signifying clarity and purity.
  • Moisture Content: Minimal (≤ 0.1%).
  • Phosphorus Content: Around 10.65-10.9%.
  • Chlorine Content: Typically 36.5-37.5%.

These properties collectively contribute to TCEP's effectiveness in its various industrial roles.

Synthesis Routes for Tris(2-chloroethyl) Phosphate

TCEP is generally manufactured through specific chemical reactions. The two most common synthesis pathways include:

  1. Reaction of Phosphorus Oxychloride with 2-Chloroethanol: This is a direct esterification process where phosphorus oxychloride (POCl3) reacts with three equivalents of 2-chloroethanol. The reaction typically requires controlled conditions to ensure complete esterification and minimize side products.
  2. Reaction of Ethylene Oxide with Phosphorus Oxychloride: Alternatively, TCEP can be synthesized by reacting ethylene oxide with phosphorus oxychloride. This method involves the ring-opening of ethylene oxide followed by reaction with the phosphorus center.

The efficiency and purity achieved through these synthesis methods are critical for producing high-quality TCEP that meets industrial specifications. Manufacturers like NINGBO INNO PHARMCHEM CO.,LTD. focus on optimizing these processes to ensure product consistency and reliability.

Why Choose a Trusted TCEP Manufacturer?

When procuring Tris(2-chloroethyl) phosphate, selecting a supplier with robust manufacturing capabilities is paramount. NINGBO INNO PHARMCHEM CO.,LTD., a leading chemical producer in China, offers:

  • High-Purity TCEP: Our synthesis processes ensure that the TCEP we supply meets stringent quality parameters, crucial for consistent performance in flame retardant and plasticizer applications.
  • Competitive Pricing: As a manufacturer, we provide cost-effective pricing for TCEP, enabling businesses to source this essential chemical affordably.
  • Reliable Supply: With an annual supply capacity of 8,000 tons for our range of phosphate flame retardants and related chemicals, we guarantee a stable and dependable source for your production needs.
  • Technical Expertise: Our team has in-depth knowledge of TCEP's chemistry and applications, ready to assist clients with their technical inquiries.

It is also important for end-users to stay informed about the environmental and safety aspects associated with TCEP. Responsible sourcing and application are key.

For your needs of high-quality Tris(2-chloroethyl) phosphate, contact NINGBO INNO PHARMCHEM CO.,LTD. today to request a quote and discover how our expertise and product quality can benefit your business.