Description

2,5-Heptanediol is a versatile aliphatic diol with a seven-carbon chain and hydroxyl groups at the 2 and 5 positions. This specific molecular structure makes it a valuable intermediate and building block in organic synthesis and polymer chemistry. It is particularly sought after by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for its utility as a linker, chain extender, and precursor to more complex molecules.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, where its diol functionality allows for conjugation and controlled release.
• Polymer Chemistry: Serves as a monomer or chain extender in the production of polyesters, polyurethanes, and other specialty polymers, influencing flexibility and thermal properties.
• Agrochemical Synthesis: Acts as a key building block for creating herbicides, fungicides, and plant growth regulators.
• Cosmetic & Personal Care: Employed as a humectant and solvent in formulations for skin care products, contributing to moisture retention and texture.
• Chemical Intermediate: A precursor for synthesizing plasticizers, lubricants, and corrosion inhibitors for industrial applications.
• Crosslinking Agent: Utilized in coatings, adhesives, and resin systems to modify hardness, durability, and chemical resistance.

Basic Information

Product Name	2,5-Heptanediol
CAS No.	70444-25-6
Molecular Formula	C7H16O2
Molecular Weight	132.20 g/mol
Synonyms	2,5-Dihydroxyheptane; Heptane-2,5-diol; 1,4-Dimethyl-1,4-butanediol; 2,5-Heptylene glycol; 2,5-Heptandiol; (±)-2,5-Heptanediol; DL-2,5-Heptanediol
EINECS	Contact for details

Quality Control

Our 2,5-Heptanediol is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing results from tests including assay, water content, and specific impurities. We are committed to consistent quality and supply reliability 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); 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/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.950 - 0.980
Refractive Index (20°C)	1.440 - 1.450

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