Description

1,3-Pentanediol, 2-Methyl- is a high-purity, versatile diol compound, also known as 2-Methyl-1,3-pentanediol. This chemical is valued for its excellent solvency, low volatility, and favorable safety profile, making it a superior alternative to more volatile glycol ethers. It serves as a key intermediate and functional additive for demanding applications in the pharmaceutical, agrochemical, and specialty polymer industries, where consistent quality and reliable performance are paramount.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its diol functionality for esterification and polymerization reactions.
• Agrochemical Formulations: Acts as a solvent and co-solvent in pesticides, herbicides, and fungicides, enhancing the solubility and stability of active ingredients.
• Polymer & Resin Production: Serves as a monomer or chain extender in the production of polyesters, polyurethanes, and alkyd resins, contributing to flexibility and durability.
• Cosmetic & Personal Care: Functions as a humectant and solvent in high-performance cosmetic formulations, such as creams, lotions, and sunscreens.
• Industrial Coatings & Inks: Employed as a coalescing agent and solvent in water-based and solvent-based coating systems, improving film formation and flow properties.
• Chemical Synthesis: A versatile building block for organic synthesis, including the preparation of plasticizers, lubricants, and specialty chemicals.

Basic Information

Product Name	1,3-Pentanediol, 2-Methyl-
CAS No.	149-31-5
Molecular Formula	C6H14O2
Molecular Weight	118.17 g/mol
Synonyms	2-Methyl-1,3-pentanediol; 2-Methylpentane-1,3-diol; 1,3-Dihydroxy-2-methylpentane; Hexylene Glycol (Note: Often confused with 2-Methyl-2,4-pentanediol); MPDiol; 2-Methyl-1,3-pentylene glycol; NSC 403697
EINECS	205-737-3

Quality Control

Our 1,3-Pentanediol, 2-Methyl- is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Production adheres to cGMP guidelines where applicable, and the material is suitable for use in regulated industries. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing purity, identity, and impurity profiles as verified by GC, HPLC, and NMR analysis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The container should be kept tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.438 - 1.442
Density (20°C)	0.920 - 0.930 g/mL
Boiling Point	~ 210°C

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