Description

Dimethyl Phosphite is a versatile organophosphorus compound primarily used as a key intermediate in the synthesis of agrochemicals, pharmaceuticals, and flame retardants. Its high reactivity as a phosphorylating agent makes it a critical building block for creating complex phosphorus-containing molecules. This product is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking reliable, high-purity intermediates for their synthesis processes.

Application

• Agrochemical Intermediate: A crucial precursor for the synthesis of organophosphate insecticides, herbicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used in the production of antiviral drugs and other active pharmaceutical ingredients (APIs) requiring phosphorus-based scaffolds.
• Flame Retardant Production: Serves as a starting material for manufacturing phosphorus-based flame retardants used in plastics, textiles, and electronics.
• Ligand and Catalyst Preparation: Employed in the synthesis of phosphite ligands for homogeneous catalysis in fine chemical manufacturing.
• Polymer Modification: Acts as a reactive modifier or cross-linking agent in specialty polymer formulations.
• Chemical Research & Development: A valuable reagent in organic synthesis laboratories for constructing P-C and P-O bonds.

Basic Information

Product Name	Dimethyl Phosphite
CAS No.	868-85-9
Molecular Formula	C2H7O3P
Molecular Weight	110.05 g/mol
Synonyms	Dimethyl phosphonate; Phosphonic acid, dimethyl ester; Methyl phosphite ((CH3O)2P(O)H); DMP; Dimethoxyphosphine oxide; O,O-Dimethyl phosphonate; NSC 8881; Dimethyl hydrogen phosphite
EINECS	212-783-8

Quality Control

Our Dimethyl Phosphite is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistent quality for your production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its nature as a strong acid/organic solvent, ensure containers are kept tightly sealed to prevent moisture absorption and maintain product integrity. Recommended storage temperature is between 15°C and 25°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as H3PO4)	≤ 1.0%
Refractive Index (n20D)	1.405 - 1.410
Density (20°C)	1.200 - 1.210 g/mL

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.