Description

1-Methylene-5,8-Dioxaspiro[3.4]Octane is a specialized spirocyclic ether compound featuring a unique oxaspiro structure that serves as a versatile building block in advanced organic synthesis. This compound matters for its role as a key intermediate in the production of complex molecules, offering chemists a reactive methylene group and a protected diol functionality within a rigid framework. Industries involved in pharmaceutical development, agrochemical research, and the synthesis of performance materials require this high-purity intermediate to construct novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel drug candidates, particularly those requiring spirocyclic or complex ether scaffolds.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with enhanced activity and selectivity.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with specific thermal or mechanical properties.
• Fine Chemical Production: Employed in the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploring new chemical spaces in organic chemistry laboratories.

Basic Information

Product Name	1-Methylene-5,8-Dioxaspiro[3.4]Octane
CAS No.	17714-49-7
Molecular Formula	C7H10O2
Molecular Weight	126.15 g/mol
Synonyms	1-Methylene-5,8-dioxaspiro[3.4]octane; 5,8-Dioxaspiro[3.4]oct-1-ene; Spiro[3.4]oct-1-ene, 5,8-dioxa-; 1-Methylenespiro[3.4]octane-5,8-dione (incorrect but common misnomer); MDOSO (abbreviation); Oxaspirooctane derivative; 2-Oxabicyclo[2.2.1]hept-5-ene-3-spiro-1'-(2'-oxacyclobutane) (systematic alternative)
EINECS	Contact for details

Quality Control

Our 1-Methylene-5,8-Dioxaspiro[3.4]Octane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at a controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and potential concentration changes. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.450 - 1.470
Density (20°C)	1.05 - 1.15 g/mL

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