Description

2,2-Dimethyl-3-Phenylpropanoic Acid CAS NO 5669-14-7 is a versatile organic compound featuring a phenylpropanoic acid backbone with geminal dimethyl substitution. This structural motif makes it a valuable building block and intermediate in sophisticated organic synthesis. It is primarily needed by pharmaceutical, agrochemical, and fine chemical research and development teams for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs), antihypertensive agents, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging its phenylpropanoic acid structure.
• Liquid Crystal & Polymer Chemistry: Serves as a precursor for monomers and additives that impart specific thermal and optical properties to advanced materials.
• Fragrance & Flavor Ingredient Synthesis: Acts as an intermediate for creating esters and other derivatives with specific aromatic profiles.
• Organic Synthesis Reagent: Employed in various name reactions, including esterifications, amidations, and coupling reactions, to introduce the sterically hindered 2,2-dimethyl-3-phenylpropionyl moiety.
• Academic & Industrial R&D: A critical compound for methodological development in asymmetric synthesis and catalysis studies.

Basic Information

Item	Detail
Product Name	2,2-Dimethyl-3-Phenylpropanoic Acid
CAS No.	5669-14-7
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	2,2-Dimethyl-3-phenylpropionic Acid; 3-Phenyl-2,2-dimethylpropanoic Acid; α,α-Dimethylhydrocinnamic Acid; 2,2-Dimethylhydrocinnamic Acid; NSC 3345; β-Phenyl-2,2-dimethylpropionic Acid; (2,2-Dimethyl-3-phenyl)propanoic Acid; 2,2-Dimethyl-3-phenylpropanoate (ion)
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-3-Phenylpropanoic Acid 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. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, confirming compliance with agreed specifications. Our quality protocols are designed to meet the stringent requirements of pharmaceutical and fine chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); therefore, the container must be kept tightly sealed in a dry environment to prevent absorption of moisture and potential degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	88°C - 92°C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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