Description

2-Methyl-1,3-Dioxane-5,5-Dimethanol is a versatile specialty chemical building block, valued for its unique cyclic acetal structure and bifunctional hydroxyl groups. This compound is essential for synthesizing high-performance polymers, resins, and specialty additives where controlled reactivity and stability are required. Key industries that utilize this chemical include polymer chemistry, coatings, adhesives, and advanced material science for developing products with enhanced durability and specific functional properties.

Application

• Polymer & Resin Synthesis: Acts as a key monomer or cross-linking agent in the production of specialty polyesters, alkyd resins, and polyurethanes.
• Coatings & Adhesives: Imparts flexibility, adhesion, and chemical resistance in high-performance industrial and protective coating formulations.
• Pharmaceutical Intermediates: Serves as a protected diol precursor in the multi-step synthesis of complex active pharmaceutical ingredients (APIs).
• Specialty Plasticizers & Stabilizers: Used to modify the physical properties of polymers, improving plasticity and thermal stability.
• Electronics & Photoresists: Employed in the formulation of advanced photoresists and electronic chemicals for the semiconductor industry.
• Fuel & Lubricant Additives: Functions as a component in additives designed to improve fuel efficiency and lubricant performance.

Basic Information

Product Name	2-Methyl-1,3-Dioxane-5,5-Dimethanol
CAS No.	5653-70-3
Molecular Formula	C7H14O4
Molecular Weight	162.18 g/mol
Synonyms	5,5-Bis(hydroxymethyl)-2-methyl-1,3-dioxane; 2-Methyl-5,5-bis(hydroxymethyl)-1,3-dioxane; 2-Methyl-1,3-dioxane-5,5-dimethanol; 2-Methyl-5,5-dihydroxymethyl-1,3-dioxane; MDD; Acetal G; Glycerol Formal, Methyl Derivative
EINECS	227-096-2

Quality Control

Our 2-Methyl-1,3-Dioxane-5,5-Dimethanol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and consistency standards. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance for your applications.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.450 - 1.455
Specific Gravity (20/20°C)	1.180 - 1.200

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