Trimethyl Phosphite | 121-45-9

Cas No :

121-45-9

Form :

Liquid

Molecular Weight :

124.08G/Mol

Molecular Formula :

C3H9O3P

Boiling Point :

111-112°

Melting Point :

-78 °C

Flash Point :

28 °C

Description :

Overview of Trimethyl Phosphite

Trimethyl Phosphite (TMP) is a highly versatile organophosphorus compound widely used as an intermediate in agrochemicals, pharmaceuticals, and specialty chemical synthesis. It is known for its excellent reactivity in phosphonation, esterification, and substitution reactions, making it essential for large-scale industrial manufacturing.

At ChemicalBull Pvt. Ltd., we provide bulk Trimethyl Phosphite supply with consistent purity, ensuring reliable performance for agrochemical manufacturers and chemical processors.


Applications of Trimethyl Phosphite

1. Agrochemical Intermediate (Pesticides & Crop Protection)

Trimethyl Phosphite is widely used as a key intermediate in the synthesis of organophosphorus pesticides, including insecticides and herbicides. It plays a crucial role in forming active molecules used in crop protection.

It is commonly processed with agro intermediates like 4-Chlorobenzotrichloride in manufacturing systems such as Pesticides Raw Chemicals, Herbicides Agrochemical, and Insecticide Chemicals, ensuring efficient large-scale production.

2. Insecticide & Fungicide Manufacturing

TMP is used in the preparation of phosphorus-based insecticides and fungicides, contributing to effective pest and disease control solutions.

It is often integrated into production systems that also utilize actives like Chlorpyrifos 20% and Dimethoate 30%, supporting advanced formulations in Agrochemical Fungicides and pest control chemicals.

3. Chemical Intermediate for Specialty Synthesis

Trimethyl Phosphite serves as a building block in organic synthesis, particularly in the production of phosphonates, stabilizers, and specialty intermediates.

It is frequently used in combination with curing agents such as Jeffamine D-230 Polyetheramine in advanced chemical processing systems, contributing to performance-driven industrial formulations.

4. Plastic & Polymer Additives

TMP is used as an intermediate in producing flame retardants and stabilizers for plastic and polymer industries. It enhances thermal resistance and safety properties in polymer systems.

In these applications, it works alongside materials like Polypropylene Glycol (PPG-400) to improve compatibility and processing efficiency in Plastics Processing Polymeric Additives and Thermoplastics & Thermosetting Polymers & Resins.

5. Industrial Chemical Processing & Additives

Trimethyl Phosphite is used in various industrial chemical reactions, including ligand synthesis, stabilizers, and specialty additives.

It complements industrial formulations that involve materials like Epoxy Resin (KER 828 / Epoxy Resin Ker 828), enhancing performance in coatings, adhesives, and advanced chemical systems.


Key Benefits & Performance Advantages

  • High reactivity for phosphorus-based synthesis
  • Essential intermediate for agrochemical manufacturing
  • Supports multi-step industrial reactions
  • Improves efficiency in polymer and chemical processing
  • Suitable for bulk industrial production


Why Choose ChemicalBull Pvt. Ltd.?

Trusted Bulk Supplier for Agro & Industrial Chemicals

  • Reliable Trimethyl Phosphite supplier & exporter
  • Consistent industrial-grade quality
  • Competitive bulk pricing
  • Strong global supply chain
  • Technical support for chemical applications


Safety & Handling Guidelines

  • Store in a cool, dry, well-ventilated area
  • Use PPE (gloves, goggles, protective clothing) during handling
  • Avoid exposure to moisture and air
  • Keep away from strong oxidizing agents
  • Follow MSDS guidelines for safe handling and storage


Where to Buy Trimethyl Phosphite?

Buy Trimethyl Phosphite in bulk from ChemicalBull Pvt. Ltd., a trusted supplier of agrochemical intermediates and industrial chemicals. Contact us today for bulk pricing, COA, MSDS, and technical specifications.

Trimethyl Phosphite Manufacturer

Sourced from leading global manufacturers ensuring high purity and consistent industrial performance.

Trimethyl Phosphite Supplier & Distributor

ChemicalBull Pvt. Ltd. – Leading supplier & distributor of organophosphorus chemicals for agrochemical and industrial applications.


Trimethyl Phosphite MSDS

Available on request, includes:

  • Chemical identification
  • Hazard classification
  • Handling & storage guidelines
  • First aid measures


Frequently Asked Questions

  1. What is Trimethyl Phosphite used for?

    Trimethyl Phosphite is primarily used as an intermediate in agrochemicals, especially in the production of insecticides, herbicides, and fungicides, as well as in specialty chemical synthesis.

  2. Do you supply Trimethyl Phosphite in bulk quantities?

    Yes, ChemicalBull Pvt. Ltd. provides bulk supply for industrial manufacturers, agrochemical companies, and chemical distributors.

  3. Is Trimethyl Phosphite suitable for pesticide manufacturing?

    Yes, it is widely used in the synthesis of organophosphorus pesticides and plays a key role in the production of crop protection chemicals.

  4. Can Trimethyl Phosphite be used in polymer applications?

    Yes, it is used in the production of flame retardants and stabilizers for plastics and polymer systems.

  5. Which industries commonly use Trimethyl Phosphite?

    It is widely used in agrochemicals, specialty chemicals, plastics, polymers, and industrial chemical processing industries.