Description

4-Hydroxyphenyl 4-Chlorobutyrate is a high-purity organic ester compound, serving as a versatile chemical intermediate in advanced synthesis. Its value lies in its bifunctional structure, featuring both a phenolic hydroxyl group and a reactive chlorobutyl ester, enabling its use in the construction of more complex molecules. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a phenolic linkage.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its chlorobutyl chain can be further functionalized.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or precursor for materials requiring specific mesogenic or polymeric properties.
• Organic Synthesis Reagent: Employed in laboratory-scale and pilot-scale reactions for introducing the 4-hydroxyphenyl moiety into target molecules.
• Cross-linking Agent: Potential use in the preparation of cross-linked polymers and resins due to its two reactive sites.
• Fine Chemical Production: Intermediate for dyes, pigments, and other performance chemicals.

Basic Information

Product Name	4-Hydroxyphenyl 4-Chlorobutyrate
CAS No.	71662-39-0
Molecular Formula	C10H11ClO3
Molecular Weight	214.65 g/mol
Synonyms	4-Chlorobutyl 4-hydroxybenzoate; p-Hydroxyphenyl 4-chlorobutyrate; 4-(4-Chlorobutanoyloxy)phenol; 4-Chlorobutyric Acid 4-Hydroxyphenyl Ester; Phenol, 4-(4-chlorobutanoyloxy)-; Butyric acid, 4-chloro-, 4-hydroxyphenyl ester
EINECS	Contact for details

Quality Control

Our 4-Hydroxyphenyl 4-Chlorobutyrate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for use in sensitive synthetic applications. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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