Description

2-Methyl-1,3-Propanediol (CAS NO 2163-42-0) is a versatile, high-purity diol valued for its excellent solvency, low volatility, and reactivity as a building block in polymer synthesis. This compound is a critical intermediate for producing high-performance polyesters, polyurethanes, and plasticizers, offering enhanced flexibility and hydrolytic stability to final materials. It is essential for manufacturers in the coatings, adhesives, sealants, elastomers (CASE), and specialty chemical industries seeking to improve product performance and durability.

Application

• Polymer Synthesis: A key monomer for producing saturated and unsaturated polyester resins, contributing to flexibility and weatherability in coatings and composites.
• Polyurethane Systems: Used as a chain extender or polyol component in flexible and rigid PU foams, elastomers, and adhesives.
• Plasticizers: Serves as an intermediate for synthesizing specialty plasticizers, enhancing the low-temperature performance of PVC and other polymers.
• Synthetic Lubricants & Functional Fluids: A building block for creating high-performance esters used in synthetic lubricants and heat transfer fluids.
• Cosmetics & Personal Care: Employed as a humectant and solvent in various cosmetic formulations.
• Pharmaceutical Intermediates: Utilized in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Crosslinking Agent: Functions as a crosslinker in radiation-curable coatings and inks.
• Chemical Intermediate: A versatile precursor for further chemical transformations into esters, ethers, and other derivatives.

Basic Information

Product Name	2-Methyl-1,3-Propanediol
CAS No.	2163-42-0
Molecular Formula	C4H10O2
Molecular Weight	90.12 g/mol
Synonyms	2-Methyl-1,3-propanediol; 2-Methyltrimethylene glycol; 1,3-Dihydroxy-2-methylpropane; Isobutylene glycol; MPDiol®; 2-Methylpropane-1,3-diol; 2-Methyl-1,3-dihydroxypropane
EINECS	218-488-9

Quality Control

Our 2-Methyl-1,3-Propanediol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, impurity profile, and physical properties is provided with each shipment to guarantee supply reliability and product traceability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep containers tightly sealed to prevent absorption of atmospheric moisture which may affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0 %
Water Content (KF)	≤ 0.2 %
Color (APHA)	≤ 20
Specific Gravity (20/20°C)	1.015 - 1.025
Refractive Index (n20D)	1.438 - 1.442

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