Description

2-(4-tert-Butyl-Phenyl)-2-Methyl-Propionic Acid Methyl Ester is a high-purity organic ester compound, serving as a crucial intermediate in advanced chemical synthesis. Its value lies in providing a sterically hindered aromatic building block, enabling the development of specialized molecules with enhanced stability and performance. This product is essential for R&D and production within the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a bulky, lipophilic substituent.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structural motif can contribute to biological activity and environmental persistence.
• Specialty Polymer Modifier: Acts as a monomer or additive to impart specific properties like UV stability, hydrophobicity, or altered glass transition temperatures in high-performance polymers.
• Liquid Crystal & OLED Materials: Serves as a precursor or core structure in the manufacture of organic electronic materials and liquid crystal displays.
• Fragrance & Flavor Chemistry: Utilized as an intermediate for creating complex aromatic esters with unique scent and flavor profiles.
• Organic Synthesis Reagent: A versatile reagent in academic and industrial research for constructing complex molecular architectures via esterification and coupling reactions.

Basic Information

Product Name	2-(4-tert-Butyl-Phenyl)-2-Methyl-Propionic Acid Methyl Ester
CAS No.	157444-69-4
Molecular Formula	C15H22O2
Molecular Weight	234.33 g/mol
Synonyms	Methyl 2-(4-tert-butylphenyl)-2-methylpropanoate; 2-Methyl-2-[4-(1,1-dimethylethyl)phenyl]propanoic Acid Methyl Ester; 4-tert-Butyl-α,α-dimethylbenzeneacetic Acid Methyl Ester; Methyl 4-tert-Butyl-α,α-dimethylphenylacetate; Benzenepropanoic acid, β,β-dimethyl-4-(1,1-dimethylethyl)-, methyl ester; Methyl 2-(p-tert-butylphenyl)-2-methylpropionate; p-tert-Butyl-α,α-dimethylphenylacetic Acid Methyl Ester
EINECS	Contact for details

Quality Control

Our 2-(4-tert-Butyl-Phenyl)-2-Methyl-Propionic Acid Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent composition. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are 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, 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 liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.