Description

2-Methyl-2-Pentyl-1,3-Propanediol CAS NO 25462-46-8 is a branched-chain diol characterized by its unique sterically hindered structure, offering valuable properties as a versatile chemical intermediate. This compound is particularly significant for its ability to modify polymer properties, impart flexibility, and act as a building block for specialty esters and polyols. It is primarily needed by formulators and manufacturers in the polymer, coatings, and specialty chemical industries seeking to enhance product performance.

Application

• Polymer Modification: Used as a chain extender or cross-linking agent in polyurethane and polyester resins to tailor flexibility, hardness, and chemical resistance.
• Synthetic Lubricant Base Stocks: Serves as a precursor for high-performance ester-based lubricants with excellent thermal stability and low-temperature properties.
• Coating Resins: Incorporated into alkyd and other coating formulations to improve adhesion, durability, and weatherability.
• Plasticizer Synthesis: Acts as an intermediate for producing specialized plasticizers that offer low volatility and good compatibility with various polymers.
• Pharmaceutical & Cosmetic Intermediates: Utilized in the synthesis of certain active pharmaceutical ingredients (APIs) and cosmetic esters.
• Flavor & Fragrance Ingredients: Employed as a starting material for creating specific ester compounds used in these applications.

Basic Information

Product Name	2-Methyl-2-Pentyl-1,3-Propanediol
CAS No.	25462-46-8
Molecular Formula	C9H20O2
Molecular Weight	160.25 g/mol
Synonyms	2-Methyl-2-pentylpropane-1,3-diol; 2-Pentyl-2-methyl-1,3-propanediol; 1,3-Propanediol, 2-methyl-2-pentyl-; 2-Methyl-2-amyl-1,3-propanediol; MP diol; 2-Pentyl-2-methylpropane-1,3-diol; 2-Methyl-2-n-pentyl-1,3-propanediol
EINECS	Contact for details

Quality Control

Our 2-Methyl-2-Pentyl-1,3-Propanediol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications and consistent high purity. Certificates of Analysis (COA) documenting all quality parameters are available upon request.

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); 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 to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.450 - 1.455
Specific Gravity (20/20°C)	0.930 - 0.950

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