Trimethyl Phosphite
- CAS No.121-45-9
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity Trimethyl Phosphite (CAS 121-45-9) supplied for agrochemical and polymer synthesis. Reliable global manufacturer offering competitive bulk pricing and full documentation.
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Product Overview
Trimethyl Phosphite, chemically known as Trimethoxyphosphine, is a versatile organophosphorus compound widely utilized in industrial organic synthesis. As a key intermediate, it serves as a fundamental building block for the production of various agrochemicals, polymer stabilizers, and flame retardants. Our facility manufactures this compound under strict quality control protocols to ensure consistent purity and performance across large-scale industrial applications.
With a CAS registry number of 121-45-9, this colorless transparent liquid is characterized by its high reactivity in phosphorylation reactions. It is particularly valued in the synthesis of organophosphate insecticides and pharmaceutical intermediates where precise stoichiometry and minimal impurity profiles are critical. We prioritize safety and compliance in all production stages, delivering a product that meets international standards for chemical intermediates.
Technical Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 121-45-9 |
| Molecular Formula | C3H9O3P |
| Molecular Weight | 124.076 g/mol |
| Appearance | Colorless transparent liquid |
| Assay (Purity) | ≥99.0% |
| Density | 1.052 g/mL at 25 °C |
| Boiling Point | 110.2±8.0 °C at 760 mmHg |
| Melting Point | −78 °C |
| Flash Point | 27.8±0.0 °C |
| Refractive Index | n20/D 1.408 |
| Loss on Drying | ≤0.5% |
Industrial Applications
The primary utility of Trimethyl Phosphite lies in its role as a phosphorylating agent. It is extensively used in the Michaelis-Arbuzov reaction to produce phosphonates and phosphinates. In the agricultural sector, it acts as a crucial precursor for synthesizing various organophosphate insecticides. Our clients utilize this intermediate to develop effective crop protection solutions that require high chemical stability and reactivity.
Beyond agrochemicals, this compound is employed in the polymer industry as a stabilizer and antioxidant. It helps enhance the thermal stability of plastics and resins during processing. The high purity grade we supply ensures that downstream reactions proceed with minimal side products, optimizing yield and reducing waste in manufacturing processes.
Quality Assurance and Safety
We understand the importance of reliability in the supply chain. Every batch of Trimethyl Phosphite undergoes rigorous testing using gas chromatography and other analytical methods to verify assay and impurity levels. A Certificate of Analysis (COA) is provided with every shipment to guarantee compliance with specified parameters.
- Consistent high purity levels suitable for sensitive synthesis.
- Strict adherence to safety regulations during production and handling.
- Comprehensive documentation support for regulatory compliance.
- Stable supply chain capable of meeting bulk industrial demands.
Packaging and Storage
To maintain product integrity, Trimethyl Phosphite is packaged in secure 25kg drums or according to specific customer requirements. The container must remain tightly closed to prevent moisture absorption and oxidation. Storage facilities should be cool, dry, and well-ventilated, away from incompatible materials such as strong oxidizing agents. Proper handling procedures ensure safety for personnel and environmental protection during transport and usage.
