Description

Diphenylhydroxyphosphoranethione is a specialized organophosphorus compound with a unique thiophosphoryl (P=S) and hydroxyl (OH) functional group structure. This molecular architecture makes it a valuable intermediate and reagent in advanced synthetic chemistry and materials science. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates, particularly those targeting neurological and metabolic pathways.
• Agrochemical Synthesis: Used in the research and development of next-generation pesticides, herbicides, and plant growth regulators.
• Ligand and Catalyst Precursor: Acts as a precursor for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Flame Retardant Additive Research: Investigated as a potential component in flame-retardant formulations for plastics and textiles due to its phosphorus content.
• Polymer Modification: Employed to introduce thiophosphoryl groups into polymer backbones, altering material properties like adhesion and thermal stability.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D exploring new organophosphorus chemistry and reaction methodologies.

Basic Information

Item	Details
Product Name	Diphenylhydroxyphosphoranethione
CAS No.	14278-72-9
Molecular Formula	C12H11OPS
Molecular Weight	234.25 g/mol
Synonyms	Hydroxy(diphenyl)phosphinothioic acid O-ester; Diphenylphosphinothioic acid O-ester; Hydroxy(diphenyl)thiophosphine oxide; Diphenylphosphinothioic acid; P,P-Diphenyl-P-hydroxyphosphonothioate; (Hydroxy)(diphenyl)phosphine sulfide; Thiophosphoric acid O-ester with diphenylphosphinous acid
EINECS	Contact for details

Quality Control

Our Diphenylhydroxyphosphoranethione is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and spectroscopic identification (IR, NMR), to ensure consistency and meet the exacting standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed under an inert atmosphere such as nitrogen or argon for long-term storage.

Specification

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

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