Description

3,3-Dimethyloxetane CAS NO 6921-35-3 is a versatile, strained heterocyclic building block of significant interest in advanced organic synthesis. Its unique four-membered oxetane ring structure provides a valuable handle for introducing functional complexity and modifying physicochemical properties in target molecules. This high-value intermediate is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Key synthon for constructing bioactive molecules, leveraging the oxetane ring as a metabolically stable bioisostere or to modulate solubility and lipophilicity.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the oxetane moiety can enhance stability and efficacy.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for producing polymers with tailored thermal, mechanical, or optical properties.
• Ligand & Catalyst Development: Employed in the synthesis of specialized ligands and organocatalysts for asymmetric synthesis and other catalytic processes.
• Chemical Biology Probes: Useful for labeling and modifying biomolecules in research applications due to its reactive ring strain.
• Fine Chemical Production: A building block for synthesizing complex flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3,3-Dimethyloxetane
CAS No.	6921-35-3
Molecular Formula	C5H10O
Molecular Weight	86.13 g/mol
Synonyms	3,3-Dimethyloxacyclobutane; 3,3-Dimethyloxetane; Oxetane, 3,3-dimethyl-; 3,3-Dimethyl-1-oxacyclobutane; 1-Oxa-2,2-dimethylcyclobutane
EINECS	Contact for details

Quality Control

Every batch of 3,3-Dimethyloxetane is produced and tested under strict quality management protocols to ensure consistency and purity for demanding synthetic applications. Our products undergo rigorous quality testing, including GC, NMR, and Karl Fischer titration, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flame. Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) at temperatures between 2°C and 8°C for extended stability. Keep away from strong oxidizing agents.

Specification

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