Description

3-o-Tolyl-Butyric Acid is a specialized aromatic carboxylic acid derivative, serving as a versatile building block in advanced organic synthesis. Its value lies in its unique molecular structure, which incorporates both a phenyl ring substituted with a methyl group and a flexible butyric acid chain, making it a critical intermediate for creating complex molecules. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries who require high-purity, structurally defined intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where its aromatic-acid structure contributes to biological activity.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or modifying agent in the production of specialty polymers and liquid crystal materials for electronic displays.
• Organic Synthesis & Research: A valuable reagent for coupling reactions, esterifications, and as a starting material for generating more complex heterocyclic compounds in academic and industrial R&D.
• Dye & Pigment Manufacturing: Employed in the synthesis of advanced organic dyes and pigments, contributing to color fastness and specific spectral properties.

Basic Information

Product Name	3-o-Tolyl-Butyric Acid
CAS No.	72851-31-1
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	3-(2-Methylphenyl)butanoic acid; 2-Methylbenzenebutanoic acid; 3-(o-Tolyl)butyric acid; Butanoic acid, 3-(2-methylphenyl)-; β-(o-Tolyl)butyric acid; 3-(2-Methylphenyl)butyric acid; o-Tolylbutyric acid
EINECS	Contact for details

Quality Control

Our 3-o-Tolyl-Butyric Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and sources of ignition. Due to its nature as a strong acid/organic solvent, ensure containers are properly sealed to prevent moisture absorption and are constructed of compatible materials.

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.