Description

Diethylmethylphosphate is a versatile organophosphorus compound widely utilized as a key intermediate in chemical synthesis. Its primary commercial value lies in its role as a precursor for the production of advanced agrochemicals and pharmaceuticals, where precise chemical structure is critical. This product is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and specialty chemical industries seeking reliable, high-purity synthetic building blocks.

Application

• Agrochemical Intermediate: A crucial precursor in the synthesis of organophosphate insecticides and herbicides.
• Pharmaceutical Synthesis: Serves as a building block for active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Chemical Research & Development: Used as a reagent in academic and industrial laboratories for developing new chemical entities and processes.
• Flame Retardant Synthon: Employed in the research and production of specialized flame-retardant additives.
• Ligand and Catalyst Preparation: Acts as a starting material for synthesizing phosphorus-containing ligands used in catalysis.
• Specialty Polymer Modification: Used to introduce phosphate ester groups into polymers for specific functional properties.

Basic Information

Product Name	Diethylmethylphosphate
CAS No.	867-17-4
Molecular Formula	C5H13O4P
Molecular Weight	168.13 g/mol
Synonyms	Methyl diethyl phosphate; Diethyl methyl phosphate; Phosphoric acid, methyl-, diethyl ester; Diethyl methylphosphonate (common misnomer); Methylphosphonic acid diethyl ester; O,O-Diethyl O-methyl phosphate; Ethyl methylphosphonate diethyl ester
EINECS	212-764-9

Quality Control

Our Diethylmethylphosphate is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to confirm identity and assay. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

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. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.415 - 1.425
Density (20°C)	1.10 - 1.20 g/mL

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