Description

3-T-Butyl-5-Hydroxybenzoic Acid is a versatile phenolic carboxylic acid derivative, serving as a key intermediate in the synthesis of advanced organic compounds. Its molecular structure, featuring both a phenolic hydroxyl and a carboxylic acid group, makes it valuable for introducing specific functional groups and modifying material properties. This compound is essential for R&D and production in the pharmaceutical, agrochemical, and polymer industries, where it is used to create active ingredients, stabilizers, and specialty monomers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring phenolic or benzoic acid moieties for biological activity.
• Agrochemical Synthesis: Serves as a building block for herbicides, fungicides, and plant growth regulators, leveraging its aromatic structure for efficacy.
• Polymer & Material Science: Acts as a monomer or additive in the production of specialty polymers, resins, and coatings to impart specific chemical resistance or stability.
• UV Stabilizer & Antioxidant Precursor: Utilized in the development of light stabilizers and antioxidants for plastics, rubbers, and lubricants due to its phenolic nature.
• Organic Synthesis Reagent: Employed in research laboratories for constructing complex organic molecules, including ligands for catalysts and dyes.
• Fine Chemical Production: A key intermediate in manufacturing flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3-T-Butyl-5-Hydroxybenzoic Acid
CAS No.	49843-49-4
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	3-(tert-Butyl)-5-hydroxybenzoic Acid; 5-Hydroxy-3-tert-butylbenzoic Acid; 3-tert-Butyl-5-hydroxybenzoic Acid; Benzoic acid, 3-(1,1-dimethylethyl)-5-hydroxy-; 3-(1,1-Dimethylethyl)-5-hydroxybenzoic Acid; 3-Tert-Butyl-5-Hydroxy Benzoic Acid; 3-T-Butyl-5-HBA
EINECS	Contact for details

Quality Control

Our 3-T-Butyl-5-Hydroxybenzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, prolonged exposure to air should be minimized. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °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.