Description

2-Methyl-2-(1-Methylbutyl)-1,3-Propanediol CAS NO 25462-49-1 is a branched-chain diol, a versatile chemical intermediate prized for its unique steric and chemical properties. This compound is particularly valuable for its role in synthesizing high-performance polymers, resins, and specialty plasticizers. It is essential for manufacturers in the polymer, coatings, and specialty chemical industries seeking to modify material flexibility, stability, and reactivity.

Application

• Polymer & Resin Synthesis: A key monomer or chain extender for producing polyesters, polyurethanes, and alkyd resins, imparting specific flexibility and hydrolytic stability.
• Coatings & Inks: Used in the formulation of high-performance industrial coatings, printing inks, and adhesives to enhance durability and adhesion properties.
• Plasticizer Production: Serves as a precursor for synthesizing specialized, low-volatility plasticizers used in PVC and other polymer systems.
• Lubricant & Fuel Additives: Employed as an intermediate in creating additives that improve viscosity index, oxidation stability, and performance in lubricants and functional fluids.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of complex molecules for active pharmaceutical ingredients (APIs) and crop protection agents.
• Crosslinking Agent: Functions as a crosslinker in thermosetting resin systems to control cure rates and final material properties.

Basic Information

Product Name	2-Methyl-2-(1-Methylbutyl)-1,3-Propanediol
CAS No.	25462-49-1
Molecular Formula	C9H20O2
Molecular Weight	160.25 g/mol
Synonyms	2-Methyl-2-(1-methylbutyl)propane-1,3-diol; 1,3-Propanediol, 2-methyl-2-(1-methylbutyl)-; 2-(1-Methylbutyl)-2-methyl-1,3-propanediol; 2-Methyl-2-(1-methylpentyl)-1,3-propanediol (related isomer); 2-Methyl-2-sec-pentyl-1,3-propanediol; sec-Pentyl methyl propanediol
EINECS	Contact for details

Quality Control

Our 2-Methyl-2-(1-Methylbutyl)-1,3-Propanediol is produced 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 provided with every shipment to guarantee traceability and consistency for your production 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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, 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)	0.92 - 0.96
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.