Description

2-(Methoxymethyl)-2-Methylpropane-1,3-Diol is a versatile bifunctional chemical intermediate featuring both a diol and a methoxymethyl ether group. This unique structure makes it a valuable building block for synthesizing polymers, resins, and specialty chemicals with tailored properties. It is particularly sought after by manufacturers in the coatings, adhesives, and pharmaceutical industries for developing advanced materials with enhanced performance characteristics.

Application

• Polymer & Resin Synthesis: Serves as a key monomer or chain extender in the production of polyesters, polyurethanes, and alkyd resins, imparting flexibility and hydrolytic stability.
• Coatings & Inks Formulation: Used to modify coating properties, improving adhesion, gloss retention, and durability in industrial and automotive finishes.
• Adhesives & Sealants: Acts as a reactive diluent or cross-linking agent, enhancing the bond strength and environmental resistance of epoxy and polyurethane-based systems.
• Pharmaceutical Intermediates: Employed in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its functional groups for controlled release or solubility enhancement.
• Personal Care Products: Utilized as a humectant or viscosity modifier in cosmetic and personal care formulations.
• Chemical Synthesis: Functions as a protected glycol unit or a versatile linker in organic synthesis for creating complex molecules.

Basic Information

Product Name	2-(Methoxymethyl)-2-Methylpropane-1,3-Diol
CAS No.	21398-89-0
Molecular Formula	C6H14O3
Molecular Weight	134.17 g/mol
Synonyms	2-Methoxymethyl-2-methyl-1,3-propanediol; Neopentyl Glycol Monomethyl Ether; 1,3-Propanediol, 2-(methoxymethyl)-2-methyl-; 2-Methyl-2-(methoxymethyl)propane-1,3-diol; MPDiol Glycol Ether; NPG Methyl Ether; 2-Methyl-2-methoxymethyl-1,3-propanediol
EINECS	244-329-5

Quality Control

Our 2-(Methoxymethyl)-2-Methylpropane-1,3-Diol is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. Certificates of Analysis (COA) detailing the results are provided with every shipment to guarantee traceability and batch-to-batch consistency for your critical 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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.040 - 1.060
Refractive Index (20°C)	1.450 - 1.460

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