Description

Oxetane, 4-Ethenyl-2-Methyl-2-(1-Propynyl)- (9Ci) is a specialized, high-value oxetane derivative characterized by its unique functionalized ring structure containing both vinyl and propynyl substituents. This compound is of significant interest in advanced organic synthesis and materials science due to its reactive oxetane core, which can undergo ring-opening polymerization and serve as a versatile building block. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and performance polymer industries for developing novel monomers, cross-linking agents, and photoactive materials.

Application

• Advanced Polymer Synthesis: As a key monomer for ring-opening polymerization (ROP) to produce polyethers with tailored thermal and mechanical properties.
• Photoresist & Photopolymer Formulations: Utilized in the development of high-resolution, chemically amplified photoresists for semiconductor manufacturing and UV-curable coatings.
• Pharmaceutical Intermediates: Serves as a sophisticated scaffold or intermediate in the synthesis of complex active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Actives: Employed in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Cross-linking & Curing Agent: Functions as a reactive diluent or cross-linker in epoxy, acrylic, and other thermoset resin systems to modify network density and performance.
• Liquid Crystal & OLED Materials: Investigated as a component in the synthesis of organic electronic materials for displays and lighting.
• Adhesive & Sealant Chemistry: Incorporated into formulations to enhance adhesion, cure speed, and environmental resistance.
• Academic & Industrial R&D: A valuable tool for methodological studies in organic chemistry and new material discovery.

Basic Information

Product Name	Oxetane, 4-Ethenyl-2-Methyl-2-(1-Propynyl)- (9Ci)
CAS No.	98888-58-5
Molecular Formula	C9H12O
Molecular Weight	136.19 g/mol
Synonyms	4-Ethenyl-2-methyl-2-(prop-1-yn-1-yl)oxetane; 2-Methyl-2-(1-propynyl)-4-vinyloxetane; 4-Vinyl-2-methyl-2-(1-propynyl)oxetane; Vinyl-methyl-propynyl oxetane; Oxetane derivative MON-1 (research code); 3-Oxabicyclo[3.2.0]heptane, 6-methyl-6-(1-propynyl)- (related systematic name); Functionalized oxetane monomer
EINECS	Contact for details

Quality Control

Every batch of Oxetane, 4-Ethenyl-2-Methyl-2-(1-Propynyl)- (9Ci) is produced and analyzed under strict quality management protocols. We guarantee high purity and consistency, with comprehensive testing including Identity (IR, NMR), Assay (GC/HPLC), and impurity profiling. Certificates of Analysis (COA) detailing all specifications and test results are provided with each shipment. Our quality system supports compliance with cGMP and ISO 9001 standards for research and industrial use.

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 place. Recommended long-term storage temperature is 2-8°C. Allow the container to reach ambient temperature before opening to minimize moisture ingress and degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.95 - 1.00
Refractive Index (n20/D)	1.470 - 1.490

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