Description

4-tert-Butyl-2-Hydroxybenzoic Acid is a substituted salicylic acid derivative that serves as a versatile intermediate in advanced organic synthesis. This compound is valued for its phenolic and carboxylic acid functionalities, which allow for selective chemical modifications. It is primarily sought after by the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and performance additives.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring a sterically hindered phenolic moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its structure imparts specific biological activity.
• Polymer Additives: Acts as a precursor for light stabilizers (HALS - Hindered Amine Light Stabilizers) and antioxidants in plastics and coatings to prevent degradation.
• UV Absorber Synthesis: Serves as a starting material for manufacturing organic compounds that absorb ultraviolet light for use in sunscreens and protective films.
• Ligand for Metal Complexes: Its chelating properties make it useful in creating catalysts for various chemical reactions.
• Dye and Pigment Intermediate: Employed in the synthesis of complex organic colorants and imaging agents.

Basic Information

Product Name	4-tert-Butyl-2-Hydroxybenzoic Acid
CAS No.	4578-63-6
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	2-Hydroxy-4-tert-butylbenzoic Acid; 4-(1,1-Dimethylethyl)-2-hydroxybenzoic Acid; 4-tert-Butylsalicylic Acid; p-tert-Butylsalicylic Acid; NSC 403697; 4-t-Butyl-2-hydroxybenzoic Acid; Benzoic acid, 2-hydroxy-4-(1,1-dimethylethyl)-
EINECS	Contact for details

Quality Control

Our production of 4-tert-Butyl-2-Hydroxybenzoic Acid adheres to stringent quality management protocols. Each batch is analyzed using advanced techniques like HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical parameters. Our quality system is designed to meet the rigorous standards required for pharmaceutical and high-performance chemical applications.

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 incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	155°C - 160°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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