Description

2,2-Dimethylpropanoic Acid Phenyl Ester is a specialized organic ester compound, valued for its role as a versatile chemical intermediate and building block in advanced synthesis. Its unique structure, featuring a pivalate group attached to a phenyl ring, makes it particularly useful for introducing steric hindrance and modifying physicochemical properties in target molecules. This product is essential for R&D and production chemists in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop new compounds with tailored performance characteristics.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly where the pivaloyl (trimethylacetyl) group is required for prodrug strategies or to modulate lipophilicity and metabolic stability.
• Agrochemical Synthesis: Serves as a key precursor in the manufacture of certain herbicides, fungicides, and plant growth regulators, contributing to the final product's efficacy and environmental profile.
• Polymer Chemistry: Acts as a monomer or modifying agent in the production of specialty polymers, including polyesters and polycarbonates, to enhance thermal stability or alter solubility.
• Organic Synthesis Building Block: Employed in academic and industrial research laboratories for constructing complex organic molecules, including natural product analogs and novel materials.
• Fragrance and Flavor Industry: Utilized in the synthesis of aroma chemicals and flavor compounds, where its ester functionality contributes to specific olfactory notes.
• Liquid Crystal and Electronic Materials: Investigated for use in the development of advanced materials for display technologies and organic electronics due to its molecular structure.

Basic Information

Product Name	2,2-Dimethylpropanoic Acid Phenyl Ester
CAS No.	4920-92-7
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	Phenyl Pivalate; Pivalic Acid Phenyl Ester; Trimethylacetic Acid Phenyl Ester; Phenol, Pivalate; Benzenol, 2,2-dimethylpropanoate; Phenyl Trimethylacetate; 2,2-Dimethylpropionic Acid Phenyl Ester; Pivaloyloxyphenyl
EINECS	225-540-8

Quality Control

Our 2,2-Dimethylpropanoic Acid Phenyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting key parameters such as assay, identity, and impurity profiles. For customers with specific regulatory needs, we can supply material with supporting documentation tailored to cGMP, ISO, or other relevant quality frameworks upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids, bases, and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. The product is stable under these conditions for extended periods.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 2.0%
Refractive Index (20°C)	1.485 - 1.495
Density (20°C)	0.98 - 1.02 g/mL

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