Description

2,5,5-Triphenyl-1,3,2-Dioxaphosphorinane 2-Sulfide CAS NO 39879-97-5 is a specialized organophosphorus compound featuring a unique heterocyclic structure. This chemical is valued as a key intermediate and reagent in advanced organic synthesis and materials science research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring phosphorus-containing scaffolds.
• Ligand Precursor in Catalysis: Used in the development of novel phosphorus-based ligands for transition metal catalysis, enabling more efficient and selective chemical transformations.
• Agrochemical Research: Acts as an intermediate in the design and synthesis of new-generation herbicides, insecticides, and plant growth regulators.
• Flame Retardant Synthon: Employed in the research and development of advanced flame-retardant additives for polymers and engineering plastics.
• Material Science: Investigated as a monomer or additive for creating specialty polymers with tailored thermal or optical properties.
• Chemical Biology Probe: Utilized in academic and industrial research to study enzyme mechanisms or as a probe in biochemical assays.

Basic Information

Product Name	2,5,5-Triphenyl-1,3,2-Dioxaphosphorinane 2-Sulfide
CAS No.	39879-97-5
Molecular Formula	C23H21O2PS
Molecular Weight	392.45 g/mol
Synonyms	2-Sulfido-2λ5-2,5,5-triphenyl-1,3,2λ5-dioxaphosphorinane; 2,5,5-Triphenyl-2-sulfido-1,3,2λ5-dioxaphosphorinane; 2-Thioxo-2,5,5-triphenyl-1,3,2-dioxaphosphorinane; Triphenyl-1,3,2-dioxaphosphorinane 2-sulfide; 39879-97-5; Phosphorothioic acid, cyclic P,P,P-triphenyl ester
EINECS	Contact for details

Quality Control

Our 2,5,5-Triphenyl-1,3,2-Dioxaphosphorinane 2-Sulfide is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents.

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%

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