Description

(2,3-Dihydro-2-Thioxo-3-Benzoxazolyl)Phosphonic Acid Diphenyl Ester is a specialized organophosphorus compound featuring a benzoxazolylthione core, valued for its role as a key synthetic intermediate and functional additive. This compound matters for its ability to impart specific chemical properties, such as acting as a ligand or a precursor in advanced material synthesis. It is needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and polymer industries for developing novel active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used as a precursor in the development of advanced pesticides, herbicides, and plant growth regulators.
• Polymer Additive: Functions as a flame retardant synergist or a stabilizer in specialty polymer formulations.
• Ligand in Catalysis: Acts as a chelating ligand for transition metals in homogeneous catalysis for organic transformations.
• Material Science Research: Employed in the development of organic electronic materials and advanced coatings.
• Chemical Synthesis: Utilized as a phosphorylating or coupling agent in complex organic synthesis.

Basic Information

Item	Detail
Product Name	(2,3-Dihydro-2-Thioxo-3-Benzoxazolyl)Phosphonic Acid Diphenyl Ester
CAS No.	111160-56-6
Molecular Formula	C20H16NO4PS
Molecular Weight	397.38 g/mol
Synonyms	Diphenyl (2,3-dihydro-2-thioxo-3-benzoxazolyl)phosphonate; Benzoxazol-2(3H)-thione, 3-[(diphenoxyphosphinyl)oxy]-; 3-[(Diphenoxyphosphinyl)oxy]-1,3-benzoxazol-2(3H)-thione; (2-Thioxo-3-benzoxazolyl)phosphonic acid diphenyl ester; NSC 339063; (2-Mercaptobenzoxazol-3-yl)phosphonic Acid Diphenyl Ester
EINECS	Contact for details

Quality Control

Our (2,3-Dihydro-2-Thioxo-3-Benzoxazolyl)Phosphonic Acid Diphenyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics is provided with every shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and moisture. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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