Description

3-(4-(tert-Butoxy)Phenyl)Propanoic Acid is a versatile aromatic carboxylic acid derivative characterized by its tert-butoxy functional group. This compound serves as a valuable intermediate and building block in advanced organic synthesis, prized for its role in modifying molecular properties and introducing steric bulk. It is primarily utilized by pharmaceutical, agrochemical, and specialty chemical manufacturers for research and production purposes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting inflammation and central nervous system disorders.
• Agrochemical Synthesis: Used in the development of advanced herbicides and plant growth regulators, leveraging its aromatic backbone for bioactivity.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing specialized monomers used in electronic display technologies.
• Polymer Modification Agent: Employed to introduce pendant aromatic groups into polymer chains, enhancing thermal stability and mechanical properties.
• Organic Synthesis Reagent: Acts as a protected or functionalized intermediate in multi-step synthetic routes for complex organic molecules.
• Research & Development: Essential compound in medicinal chemistry and material science R&D for structure-activity relationship (SAR) studies.

Basic Information

Product Name	3-(4-(tert-Butoxy)Phenyl)Propanoic Acid
CAS No.	21323-98-8
Molecular Formula	C₁₃H₁₈O₃
Molecular Weight	222.28 g/mol
Synonyms	4-(tert-Butoxy)hydrocinnamic acid; 3-[4-(tert-Butoxy)phenyl]propanoic acid; 3-(4-tert-Butoxyphenyl)propionic acid; Benzenepropanoic acid, 4-(1,1-dimethylethoxy)-; p-tert-Butoxyhydrocinnamic acid; 4-tert-Butoxyphenylpropionic acid; 21323-98-8; tert-Butyl 4-(2-carboxyethyl)phenyl ether
EINECS	Contact for details

Quality Control

Our 3-(4-(tert-Butoxy)Phenyl)Propanoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications. Our quality commitment aligns with cGMP and ISO principles where applicable, ensuring reliability for critical B2B applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	85 - 89 °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.