Description

Bis(4-Hydroxybutyl) Adipate is a high-purity diester compound, also known as a diol ester of adipic acid, serving as a versatile intermediate and functional additive. Its bifunctional structure, featuring both hydroxyl and ester groups, makes it a valuable building block for creating polymers with specific properties like flexibility and hydrophilicity. This chemical is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking to develop advanced materials and formulations.

Application

• Polymer Synthesis: A key monomer or chain extender for producing specialty polyesters, polyurethanes, and polycarbonates, imparting flexibility and hydrolytic stability.
• Plasticizer Production: Used in the synthesis of polymeric plasticizers, offering improved permanence and low volatility for PVC and other polymer systems.
• Lubricant & Functional Fluid Formulations: Acts as a base or additive in synthetic lubricants, hydraulic fluids, and metalworking fluids due to its ester functionality.
• Pharmaceutical & Cosmetic Intermediates: Serves as a precursor in the synthesis of prodrugs, biodegradable carriers, and cosmetic ingredients requiring specific ester linkages.
• Adhesive & Sealant Chemistry: Incorporated as a reactive diluent or modifier to enhance adhesion, flexibility, and curing profiles in various adhesive systems.
• Crosslinking Agent: Utilized in coatings, inks, and resin systems where its hydroxyl groups can participate in crosslinking reactions to form durable networks.

Basic Information

Product Name	Bis(4-Hydroxybutyl) Adipate
CAS No.	20985-13-1
Molecular Formula	C14H26O6
Molecular Weight	290.35 g/mol
Synonyms	1,4-Butanediol, adipate (2:1); Adipic Acid Bis(4-hydroxybutyl) Ester; Tetramethylene Adipate; Bis(4-hydroxybutyl) Hexanedioate; Adipic Acid Diol Ester; 4-Hydroxybutyl Adipate; Diol Ester of Adipic Acid; Hexanedioic Acid, Bis(4-hydroxybutyl) Ester
EINECS	Contact for details

Quality Control

Our Bis(4-Hydroxybutyl) Adipate is produced under a strict quality management system to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to meet exacting customer specifications. Certificates of Analysis (COA) documenting purity, physical properties, and relevant safety data are provided with every shipment.

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 material is hygroscopic (moisture-sensitive) and easily oxidized; therefore, containers must be kept tightly sealed after opening and consideration should be given to storage under an inert atmosphere for long-term preservation of quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Hydroxyl Value	Contact for details
Specific Gravity (20°C)	~1.10 g/mL

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