Description

2-Methyl-2-Propyl-1,3-Propanediol (CAS NO 78-26-2) is a versatile diol building block valued for its unique branched structure, which imparts specific physical and chemical properties to final formulations. This compound is essential for synthesizing high-performance polymers, resins, and specialty chemicals where controlled reactivity and molecular architecture are critical. Key industries that utilize this intermediate include polymer chemistry, pharmaceuticals, and advanced material science for applications ranging from plasticizers to pharmaceutical intermediates.

Application

• Polymer & Resin Synthesis: Serves as a monomer or chain extender in the production of polyesters, polyurethanes, and alkyd resins, contributing to flexibility and specific mechanical properties.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its diol functionality for conjugation.
• Plasticizer & Stabilizer Production: Acts as a precursor for esters that function as plasticizers for polymers or as stabilizers in various industrial formulations.
• Specialty Chemical Manufacturing: Employed as a key intermediate for creating surfactants, corrosion inhibitors, and other performance chemicals.
• Cross-linking Agent: Utilized in coatings, adhesives, and sealants to enhance network formation and durability.
• Laboratory & R&D: Used as a standard or reagent in chemical research and development for novel material discovery.

Basic Information

Product Name	2-Methyl-2-Propyl-1,3-Propanediol
CAS No.	78-26-2
Molecular Formula	C7H16O2
Molecular Weight	132.20 g/mol
Synonyms	2-Methyl-2-propyl-1,3-propanediol; 2-Propyl-2-methyl-1,3-propanediol; MP diol; 1,3-Propanediol, 2-methyl-2-propyl-; 2-Methyl-2-propyltrimethylene glycol; NSC 66445; 2-Propyl-2-methylpropanediol
EINECS	201-100-6

Quality Control

Our 2-Methyl-2-Propyl-1,3-Propanediol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and physical properties. A comprehensive Certificate of Analysis (COA) documenting these results is available for every shipment to support your quality assurance and regulatory needs.

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). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.448 - 1.452
Specific Gravity (20/20°C)	0.950 - 0.970

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