Description

4-Hydroxybenzoic Acid 4-Butoxyphenyl Ester is a high-purity organic ester derivative of 4-hydroxybenzoic acid, valued for its role as a versatile chemical intermediate and functional additive. This compound is critical for synthesizing advanced materials and fine chemicals where specific ester linkages and phenolic properties are required. It is primarily sought by manufacturers in the polymer, specialty chemical, and pharmaceutical development sectors for research and production applications.

Application

• Polymer Additive: Acts as a plasticizer or stabilizer in specialty polymer formulations to modify flexibility and thermal properties.
• Chemical Intermediate: Serves as a key building block in the synthesis of liquid crystal compounds and other advanced organic materials.
• UV Absorber Precursor: Used in the development of light-stabilizing agents for coatings, plastics, and cosmetic formulations.
• Pharmaceutical Research: Employed as an intermediate in the research and development of novel active pharmaceutical ingredients (APIs).
• Specialty Surfactants: Functions as a hydrophobic component in the synthesis of non-ionic surfactants and emulsifiers.
• Dye and Pigment Manufacturing: Utilized in the production of specific dyes and organic pigments requiring ester functional groups.

Basic Information

Product Name	4-Hydroxybenzoic Acid 4-Butoxyphenyl Ester
CAS No.	70568-44-4
Molecular Formula	C₁₇H₁₈O₄
Molecular Weight	286.32 g/mol
Synonyms	4-Butoxyphenyl 4-hydroxybenzoate; p-Butoxyphenyl p-hydroxybenzoate; Benzoic acid, 4-hydroxy-, 4-butoxyphenyl ester; 4-Hydroxybenzoic acid p-butoxyphenyl ester; 4-(4-Butoxyphenoxycarbonyl)phenol; BHBP; LC Ester 4; Liquid Crystal Intermediate 70568-44-4
EINECS	Contact for details

Quality Control

Our 4-Hydroxybenzoic Acid 4-Butoxyphenyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	108°C - 112°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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