Description

6-Hydroxy-Hexanoic Acid Butyl Ester is a versatile bifunctional chemical intermediate, combining both a hydroxyl and an ester group within a medium-chain aliphatic structure. This unique molecular architecture makes it a valuable building block for the synthesis of polymers, plasticizers, and specialty fine chemicals. It is particularly sought after by manufacturers in the polymer, pharmaceutical, and personal care industries for its utility in creating tailored materials with specific properties.

Application

• Polymer Synthesis: Key monomer or co-monomer for producing polyesters and polyurethanes, imparting flexibility and specific degradation profiles.
• Plasticizer Production: Serves as a precursor for novel, high-performance plasticizers with low volatility and good compatibility with PVC and other polymers.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, leveraging its reactive hydroxyl and ester functionalities.
• Lubricant & Grease Additives: Employed in formulating synthetic esters that serve as base stocks or additives for high-performance lubricants.
• Personal Care & Cosmetics: Acts as an emollient or intermediate for emollient esters in creams, lotions, and other cosmetic formulations.
• Flavor & Fragrance Industry: Utilized as a precursor for synthesizing specific ester-based aroma compounds.
• Crosslinking Agent: Functions in coatings, adhesives, and resin systems where its dual functionality can participate in crosslinking reactions.
• Research & Development: A valuable reagent in organic synthesis and material science R&D for exploring new chemical entities.

Basic Information

Product Name	6-Hydroxy-Hexanoic Acid Butyl Ester
CAS No.	15545-98-9
Molecular Formula	C10H20O3
Molecular Weight	188.26 g/mol
Synonyms	Butyl 6-Hydroxyhexanoate; 6-Hydroxycaproic Acid Butyl Ester; Hexanoic acid, 6-hydroxy-, butyl ester; Butyl 6-Hydroxycaproate; ω-Hydroxyhexanoic Acid Butyl Ester; 6-Hydroxyhexanoic Acid n-Butyl Ester; n-Butyl 6-Hydroxyhexanoate
EINECS	Contact for details

Quality Control

Our 6-Hydroxy-Hexanoic Acid Butyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting these results are available upon request, providing full traceability and compliance assurance for your quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Refractive Index (20°C)	1.440 - 1.445
Density (20°C)	0.96 - 0.98 g/mL

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