Description

m-Tolyl-Phosphonic Acid Diethyl Ester is a high-purity organophosphorus compound, specifically a phosphonic acid ester derivative. This chemical is valued for its role as a versatile synthetic intermediate and ligand in advanced chemical synthesis. It is primarily needed by manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and plant growth regulators.
• Ligand in Catalysis: Serves as a ligand for metal catalysts in cross-coupling and other transition metal-catalyzed reactions.
• Flame Retardant Precursor: Intermediate in the manufacturing of organophosphorus flame retardants and plasticizers.
• Material Science: Used in the surface modification of materials and as a precursor for functional polymers.
• Research & Development: Essential reagent in academic and industrial R&D for exploring new organophosphorus chemistry.

Basic Information

Product Name	m-Tolyl-Phosphonic Acid Diethyl Ester
CAS No.	15286-13-2
Molecular Formula	C11H17O3P
Molecular Weight	228.22 g/mol
Synonyms	Diethyl (3-Methylphenyl)phosphonate; Diethyl m-Tolylphosphonate; (3-Methylphenyl)phosphonic Acid Diethyl Ester; Phosphonic Acid, (3-Methylphenyl)-, Diethyl Ester; m-Tolylphosphonic Acid Diethyl Ester; Diethyl 3-Methylphenylphosphonate; Diethyl P-(3-Methylphenyl)phosphonate; EINECS 239-309-7
EINECS	239-309-7

Quality Control

Our m-Tolyl-Phosphonic Acid Diethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.10 g/cm³
Refractive Index (n20D)	~1.510 - 1.520

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