Description

2,2-Dimethyl-5-(hydroxymethyl)-1,3-dioxane is a versatile cyclic acetal monomer characterized by its reactive hydroxymethyl group. This compound is a valuable building block in polymer chemistry, particularly for the synthesis of specialty polyols, resins, and functional materials. It is primarily sought by manufacturers in the coatings, adhesives, sealants, and elastomers (CASE) industries, as well as by R&D laboratories developing advanced polymers and fine chemicals.

Application

• Polymer Intermediate: Key monomer for synthesizing specialty polyols used in polyurethane foams, coatings, and elastomers.
• Resin Modification: Used to introduce hydroxyl functionality into alkyd, polyester, and acrylic resins to improve flexibility, adhesion, and cross-linking density.
• Cross-linking Agent: Serves as a reactive diluent and cross-linker in thermosetting systems for coatings and composites.
• Pharmaceutical Intermediates: Employed in the synthesis of complex molecules and prodrugs due to its protective group chemistry.
• Flavor and Fragrance Synthesis: Acts as a precursor or stabilizing agent for certain aroma chemicals.
• Adhesive Formulation: Enhances the performance of structural and pressure-sensitive adhesives.
• Research & Development: Utilized in academic and industrial R&D for developing new polymeric materials and organic compounds.

Basic Information

Product Name	2,2-Dimethyl-5-(hydroxymethyl)-1,3-dioxane
CAS No.	4728-12-5
Molecular Formula	C7H14O3
Molecular Weight	146.18 g/mol
Synonyms	5-(Hydroxymethyl)-2,2-dimethyl-1,3-dioxane; 2,2-Dimethyl-1,3-dioxane-5-methanol; 1,3-Dioxane-5-methanol, 2,2-dimethyl-; Hydroxymethyldimethyldioxane; DMDH; Cyclic hydroxymethyl acetal; Solketal acetal derivative
EINECS	225-214-8

Quality Control

Our 2,2-Dimethyl-5-(hydroxymethyl)-1,3-dioxane is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.440 - 1.445
Density (20°C)	1.06 - 1.10 g/cm³

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