Description

1,2-Oxaphosphepin,2-Ethoxy-2,5,6,7-Tetrahydro-3-Methyl-5-Methylene-,2-Oxide(9Ci) is a specialized organophosphorus compound with a unique heterocyclic structure, serving as a valuable intermediate in advanced chemical synthesis. Its reactive oxaphosphepin core makes it a critical building block for developing novel materials and fine chemicals with tailored properties. This high-purity intermediate is essential for R&D and production in sectors such as pharmaceutical development, agrochemical formulation, and advanced polymer chemistry.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with complex heterocyclic frameworks.
• Agrochemical Synthesis: Used in the development of next-generation pesticides, herbicides, and plant growth regulators where phosphorus-containing heterocycles are required.
• Ligand & Catalyst Development: Serves as a sophisticated ligand precursor for transition metal catalysts used in asymmetric synthesis and cross-coupling reactions.
• Material Science Research: Building block for creating novel polymers, flame retardants, and specialty materials with specific thermal or chemical resistance properties.
• Organic Synthesis Reagent: Employed in academic and industrial R&D for constructing complex molecular architectures via its reactive functional groups.

Basic Information

Product Name	1,2-Oxaphosphepin,2-Ethoxy-2,5,6,7-Tetrahydro-3-Methyl-5-Methylene-,2-Oxide(9Ci)
CAS No.	107345-45-9
Molecular Formula	C9H15O3P
Molecular Weight	202.19 g/mol
Synonyms	2-Ethoxy-2,5,6,7-tetrahydro-3-methyl-5-methylene-1,2-oxaphosphepin 2-oxide; 5-Methylene-2-ethoxy-3-methyl-2-oxo-2,5,6,7-tetrahydro-1,2-oxaphosphepin; 1,2-Oxaphosphepin, 2-ethoxy-2,5,6,7-tetrahydro-3-methyl-5-methylene-, 2-oxide; Ethyl 3-methyl-5-methylene-2-oxo-2,5,6,7-tetrahydro-1,2-oxaphosphepin-2-yl ether
EINECS	Contact for details

Quality Control

Our production of 1,2-Oxaphosphepin,2-Ethoxy-2,5,6,7-Tetrahydro-3-Methyl-5-Methylene-,2-Oxide(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. All material is characterized by advanced analytical techniques including NMR, HPLC, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its sensitivity to oxidation, the container should be purged with inert gas after each opening to maintain stability and purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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