Description

4,5-Dimethyl-1,3-Dioxane is a versatile cyclic acetal widely utilized as a key intermediate and solvent in advanced chemical synthesis. This compound is valued for its unique structural properties, which make it an effective protecting group for carbonyls and a valuable building block in organic chemistry. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and fragrance industries for the production of specialty chemicals and active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and other crop protection agents.
• Fragrance and Flavor Industry: Acts as a precursor or solvent in the creation of specific aroma chemicals and flavor compounds.
• Organic Synthesis: Functions as a protecting group for aldehydes and ketones in multi-step synthetic routes.
• Polymer Chemistry: Employed as a monomer or modifier in the development of specialty resins and polymers.
• Research & Development: Used in academic and industrial R&D labs for method development and novel compound synthesis.
• Crosslinking Agent: Can be utilized in formulations requiring specific crosslinking properties for coatings or adhesives.

Basic Information

Product Name	4,5-Dimethyl-1,3-Dioxane
CAS No.	1121-20-6
Molecular Formula	C6H12O2
Molecular Weight	116.16 g/mol
Synonyms	4,5-Dimethyl-m-dioxane; 1,3-Dioxane, 4,5-dimethyl-; 4,5-Dimethyl-1,3-dioxacyclohexane; NSC 403119; 4,5-Dimethyl-m-dioxan; 4,5-Dimethyl-1,3-dioxan; 4,5-Dimethyl-1,3-dioxacyclohexane
EINECS	214-332-7

Quality Control

Our 4,5-Dimethyl-1,3-Dioxane is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including chromatography and spectroscopy, to confirm identity and assay. Certificates of Analysis (COA) detailing all quality parameters are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container should be kept tightly sealed to prevent moisture absorption and potential contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.420 - 1.425
Density (20°C)	0.980 - 1.010 g/mL

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