Description

4-Hydroxybenzoic Acid sec-Butyl Ester is a versatile organic ester derivative of 4-hydroxybenzoic acid, valued for its role as a key synthetic intermediate and functional additive. Its chemical structure makes it a valuable building block for the synthesis of more complex molecules, particularly in the fine chemical and pharmaceutical sectors. This compound is essential for manufacturers and R&D laboratories seeking reliable, high-purity intermediates for applications ranging from polymer stabilizers to specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs) and other drug molecules.
• Polymer Additive: Used as a stabilizer or modifier in polymer formulations to enhance material properties and longevity.
• Fine Chemical Synthesis: Acts as a versatile building block for creating complex organic compounds in research and industrial chemistry.
• UV Absorber / Light Stabilizer Precursor: A key starting material in the production of compounds designed to protect materials from ultraviolet degradation.
• Preservative Intermediate: Utilized in the synthesis pathway for certain paraben-based preservative agents.
• Liquid Crystal & Electronic Material Synthesis: Employed in the production of specialty chemicals for advanced material science applications.

Basic Information

Product Name	4-Hydroxybenzoic Acid sec-Butyl Ester
CAS No.	17696-61-6
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	Butylparaben; sec-Butyl 4-hydroxybenzoate; 4-Hydroxybenzoic acid butyl ester; Butyl 4-hydroxybenzoate; Butyl parahydroxybenzoate; Butyl p-hydroxybenzoate; Nipabutyl; EINECS 241-700-0; Benzoic acid, 4-hydroxy-, 1-methylpropyl ester
EINECS	241-700-0

Quality Control

Our 4-Hydroxybenzoic Acid sec-Butyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

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

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%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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