Description

Hexanedioic Acid Mono(4-Hydroxybutyl) Ester is a specialized diester derivative of adipic acid, serving as a high-value chemical intermediate. This compound is significant for its bifunctional nature, featuring both a carboxylic acid and a hydroxyl group, which enables its use in controlled polymerization and cross-linking reactions. It is primarily needed by manufacturers in the polymer, specialty chemical, and pharmaceutical industries for synthesizing advanced materials, plasticizers, and active pharmaceutical ingredients (APIs).

Application

• Polymer Synthesis: A key monomer or chain extender in the production of specialty polyesters, polyurethanes, and polyamides, contributing to tailored material properties like flexibility and durability.
• Plasticizer Production: Used as a precursor for synthesizing novel, high-performance plasticizers that offer improved compatibility and lower volatility in polymer matrices.
• Pharmaceutical Intermediates: Serves as a critical building block in the multi-step synthesis of complex drug molecules and prodrugs, leveraging its reactive functional groups.
• Cross-linking Agent: Functions in coatings, adhesives, and resin systems to create three-dimensional polymer networks, enhancing thermal and chemical resistance.
• Lubricant & Grease Additive: Employed in the formulation of synthetic lubricants and industrial greases to modify viscosity and improve performance under extreme conditions.
• Surface Active Agents: Acts as an intermediate for producing non-ionic surfactants and emulsifiers used in personal care and industrial cleaning formulations.

Basic Information

Product Name	Hexanedioic Acid Mono(4-Hydroxybutyl) Ester
CAS No.	116789-12-9
Molecular Formula	C10H18O5
Molecular Weight	218.25 g/mol
Synonyms	4-Hydroxybutyl Hydrogen Adipate; Mono(4-Hydroxybutyl) Adipate; Adipic Acid Mono(4-Hydroxybutyl) Ester; 4-Hydroxybutyl Adipate; Butane-1,4-diol Monoester with Adipic Acid; Hexanedioic Acid, Mono(4-Hydroxybutyl) Ester; Adipic Acid Monoester with 1,4-Butanediol; 116789-12-9
EINECS	Contact for details

Quality Control

Our Hexanedioic Acid Mono(4-Hydroxybutyl) Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product is hygroscopic (moisture-sensitive); ensure the container is sealed after each use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details
Hydroxyl Value	Contact for details
Specific Gravity (20°C)	Contact for details

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