Description

2,3-Dihydro-1H-Phosphole is a versatile organophosphorus heterocycle that serves as a fundamental building block in advanced chemical synthesis. Its unique structure, featuring a phosphorus atom within a five-membered ring, makes it a critical precursor for developing novel ligands, catalysts, and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries seeking to create innovative phosphorus-containing molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting neurological and metabolic pathways.
• Catalyst & Ligand Synthesis: Serves as a core structure for creating specialized phosphine ligands used in homogeneous catalysis (e.g., cross-coupling reactions).
• Agrochemical Development: Building block for next-generation herbicides, insecticides, and plant growth regulators.
• Material Science: Used in the research and production of flame retardants, photoluminescent materials, and conductive polymers.
• Organic Synthesis Reagent: Employed in the construction of complex organic molecules and heterocycles through cycloaddition and other reactions.
• Coordination Chemistry: Acts as a chelating agent for transition metals, forming complexes with applications in catalysis and sensing.

Basic Information

Product Name	2,3-Dihydro-1H-Phosphole
CAS No.	1769-52-4
Molecular Formula	C4H7P
Molecular Weight	86.07 g/mol
Synonyms	1H-Phosphole, 2,3-dihydro-; 2,3-Dihydrophosphole; Phospholene; Dihydrophosphole; 1H-Phospholene; 3-Phospholene; Phosphacyclopentene; 2,3-Dihydro-1H-phosphole (9CI)
EINECS	217-197-7

Quality Control

Our 2,3-Dihydro-1H-Phosphole is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, NMR, and HPLC, to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for our production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizers. For long-term storage, maintaining the material under an inert atmosphere (e.g., nitrogen or argon) is recommended to preserve stability. Recommended storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.