Description

tert-Butyl 4-Hydroxybenzoate is a synthetic organic compound belonging to the class of parabens, specifically the tert-butyl ester of 4-hydroxybenzoic acid. This compound serves as a versatile intermediate and functional additive, valued for its stability and specific chemical properties. It is primarily utilized in the research and development of specialty chemicals, including advanced polymer stabilizers, UV absorbers, and pharmaceutical intermediates.

Application

• Polymer Additive: Acts as a light stabilizer and antioxidant in plastics and synthetic resins to prevent degradation.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• UV Absorber Precursor: Serves as a key building block in the manufacture of organic UV filters for coatings and personal care formulations.
• Chemical Synthesis: Employed as a protecting group or intermediate in organic synthesis for fine chemicals and agrochemicals.
• Preservative Research: Studied for its potential antimicrobial properties in material science applications.

Basic Information

Product Name	tert-Butyl 4-Hydroxybenzoate
CAS No.	25804-49-3
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	4-(tert-Butoxycarbonyl)phenol; Butylparaben; tert-Butyl p-hydroxybenzoate; p-Hydroxybenzoic Acid tert-Butyl Ester; Benzoic acid, 4-hydroxy-, 1,1-dimethylethyl ester; NSC 163044; 4-tert-Butoxycarbonylphenol
EINECS	247-318-9

Quality Control

Our tert-Butyl 4-Hydroxybenzoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment.

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 sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	86 - 90 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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