Description

β,3,4-Trimethylbenzenebutyric Acid Methyl Ester is a high-purity organic ester compound, serving as a critical advanced intermediate in fine chemical synthesis. Its value lies in providing a versatile aromatic building block with a pre-functionalized side chain, enabling efficient downstream modifications for complex molecule assembly. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for API synthesis and novel compound development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted phenylbutyrate moiety.
• Agrochemical Synthesis: Used in the development and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a building block for organic electronic materials due to its aromatic core and ester functionality.
• Fragrance & Flavor Chemistry: Employed as an intermediate for creating complex aromatic esters used in specialty fragrance compositions.
• Polymer Modification: Acts as a monomer or co-monomer in the synthesis of specialty polymers and resins with tailored properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for constructing complex molecular architectures via further functionalization of the butyric acid ester chain.

Basic Information

Product Name	β,3,4-Trimethylbenzenebutyric Acid Methyl Ester
CAS No.	69855-51-2
Molecular Formula	C14H20O2
Molecular Weight	220.31 g/mol
Synonyms	Methyl 4-(3,4-Dimethylphenyl)butanoate; Methyl 3,4-Dimethylbenzenebutanoate; 3-(3,4-Dimethylphenyl)propionic Acid Methyl Ester; Methyl β-(3,4-Dimethylphenyl)butyrate; 69855-51-2; Butanoic acid, 4-(3,4-dimethylphenyl)-, methyl ester; Methyl 4-(3,4-dimethylphenyl)butyrate
EINECS	Contact for details

Quality Control

Our β,3,4-Trimethylbenzenebutyric Acid Methyl Ester 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. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request to support your quality assurance and regulatory compliance needs.

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 strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.