Description

4,4,5,5-Tetramethyl-1,3,2-Dioxaphospholan-2-Ol, 95% is a high-purity organophosphorus compound with the CAS number 16352-18-4. This chemical serves as a versatile intermediate and ligand in advanced synthetic chemistry, valued for its unique cyclic phosphite structure. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and catalysts.

Application

• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Catalyst Ligand: Acts as a ligand in transition metal catalysis for cross-coupling and other organic transformations.
• Agrochemical Synthesis: A key building block in the production of advanced pesticides and herbicides.
• Polymer Additive: Employed as a stabilizer or co-catalyst in polymerization processes.
• Chemical Research: A valuable reagent for academic and industrial R&D in organophosphorus chemistry.
• Flame Retardant Synthon: Used in the development of novel phosphorus-based flame retardant materials.

Basic Information

Product Name	4,4,5,5-Tetramethyl-1,3,2-Dioxaphospholan-2-Ol, 95%
CAS No.	16352-18-4
Molecular Formula	C6H13O3P
Molecular Weight	164.14 g/mol
Synonyms	2-Hydroxy-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane; 4,4,5,5-Tetramethyl-2-hydroxy-1,3,2-dioxaphospholane; Tetramethyl Dioxaphospholane-2-ol; 2-Hydroxy-2-oxo-4,4,5,5-tetramethyl-1,3,2-dioxaphospholane; Phosphorous acid, cyclic 2,2,2',2'-tetramethyl-1,3-propylene ester; 1,3,2-Dioxaphospholane-2-ol, 4,4,5,5-tetramethyl-
EINECS	Contact for details

Quality Control

Our 4,4,5,5-Tetramethyl-1,3,2-Dioxaphospholan-2-Ol, 95% is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets the declared purity and specification. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area 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 to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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