Description

3-(4-tert-Butylbenzene)Propionic Acid, Methyl Ester is a high-purity organic ester compound, also known by its CAS number 1211-99-0. This specialty chemical serves as a versatile intermediate and building block in advanced organic synthesis, valued for its unique aromatic substitution pattern. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring a lipophilic aromatic moiety.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the tert-butylphenyl group enhances biological activity and stability.
• Liquid Crystal & OLED Materials: Acts as a precursor in the manufacture of specialty chemicals for electronic displays and organic light-emitting diodes (OLEDs).
• Fragrance & Flavor Ingredient: Employed as an intermediate for creating specific aromatic esters used in high-end perfumery and flavor compositions.
• Polymer Modification: Utilized as a co-monomer or additive to impart specific properties like UV stability or altered solubility to polymeric materials.
• Organic Synthesis Reagent: Serves as a standard reagent in research laboratories for coupling reactions, esterifications, and other transformative chemical processes.

Basic Information

Product Name	3-(4-tert-Butylbenzene)Propionic Acid, Methyl Ester
CAS No.	1211-99-0
Molecular Formula	C14H20O2
Molecular Weight	220.31 g/mol
Synonyms	Methyl 3-(4-tert-butylphenyl)propanoate; Methyl 4-tert-Butylhydrocinnamate; 3-(p-tert-Butylphenyl)propionic Acid Methyl Ester; Benzenepropanoic acid, 4-(1,1-dimethylethyl)-, methyl ester; Methyl (4-tert-butylphenyl)propionate; p-tert-Butylhydrocinnamic acid methyl ester
EINECS	214-925-6

Quality Control

Our 3-(4-tert-Butylbenzene)Propionic Acid, Methyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing including GC, HPLC, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment. We support cGMP compliance for pharmaceutical applications and can tailor purity grades to meet specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/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.