Description

3-Methyl-4-(4-T-Butylphenyl)Benzoic Acid is a high-purity, functionalized benzoic acid derivative that serves as a critical advanced intermediate in organic synthesis. Its value lies in the combination of the sterically hindered tert-butyl group and the reactive carboxylic acid moiety, enabling precise molecular construction. This compound is essential for researchers and manufacturers in the pharmaceutical and specialty chemical industries developing novel active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex, lipophilic molecular architectures.
• Liquid Crystal Material Synthesis: Serves as a precursor for mesogenic compounds used in display technologies, leveraging its rigid, substituted biphenyl core.
• Organic Light-Emitting Diode (OLED) Materials: Used in the development of host or dopant materials for efficient electroluminescent devices.
• Agrochemical Intermediates: Employed in the creation of advanced herbicides and fungicides with enhanced stability and efficacy.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to impart specific thermal or chemical resistance properties to engineered polymers.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and creating specialized compound libraries.

Basic Information

Item	Details
Product Name	3-Methyl-4-(4-T-Butylphenyl)Benzoic Acid
CAS No.	1261923-72-1
Molecular Formula	C18H20O2
Molecular Weight	268.35 g/mol
Synonyms	4-(4-tert-Butylphenyl)-3-methylbenzoic acid; 3-Methyl-4-(4-tert-butylphenyl)benzoic acid; 3-Methyl-4-(p-tert-butylphenyl)benzoic acid; Benzoic acid, 3-methyl-4-[4-(1,1-dimethylethyl)phenyl]-; 4-(4-(tert-Butyl)phenyl)-3-methylbenzoic acid; TBB Acid (common abbreviation); 4-(4-tert-butylphenyl)-3-methyl-benzoic acid
EINECS	Contact for details

Quality Control

Every batch of 3-Methyl-4-(4-T-Butylphenyl)Benzoic Acid is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards, and a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which may affect product stability and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.