Description

2-Methyl-1,3-Dioxepane CAS NO 4469-25-4 is a versatile seven-membered cyclic acetal, valued for its unique reactivity as a protected form of a carbonyl compound and as a building block in organic synthesis. Its structure makes it a valuable intermediate for introducing functional groups and modifying molecular properties in complex chemical processes. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for developing new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its acetal functionality for controlled release or protection strategies.
• Agrochemical Synthesis: Serves as a key precursor in the development of novel herbicides, fungicides, and insecticides, where its ring structure can be modified to create specific bioactive molecules.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the production of specialty polymers, coatings, and adhesives to impart specific chemical resistance or physical properties.
• Flavor & Fragrance Chemistry: Employed as a building block for synthesizing complex aroma chemicals and flavoring agents due to its ability to form stable, odoriferous derivatives.
• Organic Synthesis Reagent: Functions as a versatile protecting group for aldehydes and ketones in multi-step synthetic routes, particularly in fine chemical and academic research.
• Solvent & Reaction Medium: Utilized as a polar aprotic solvent in specific organic transformations where its stability under certain conditions is advantageous.

Basic Information

Product Name	2-Methyl-1,3-Dioxepane
CAS No.	4469-25-4
Molecular Formula	C6H12O2
Molecular Weight	116.16 g/mol
Synonyms	2-Methyl-1,3-dioxepane; 1,3-Dioxepane, 2-methyl-; 2-Methyl-1,3-dioxacycloheptane; 2-Methyldioxepane; NSC 163047; 4-Methyl-1,3-dioxepane (isomer); Cyclic acetal of 5-hydroxypentanal with acetaldehyde
EINECS	Contact for details

Quality Control

Our 2-Methyl-1,3-Dioxepane is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify identity, potency, and impurity profiles. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.420 - 1.430
Density (20°C)	0.98 - 1.02 g/mL

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