Description

2-[4-(tert-Butyl)Phenoxy]-2-Methylpropanoic Acid is a specialized organic acid derivative, recognized for its role as a key synthetic intermediate and functional additive. Its value lies in the unique steric and electronic properties imparted by the tert-butylphenoxy group, which are critical for modifying material characteristics and reaction pathways. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and advanced polymer industries seeking to develop new formulations or enhance product performance.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where its structure contributes to biological activity and environmental stability.
• Polymer & Resin Modifier: Acts as a chain terminator or functional monomer to alter the thermal stability, solubility, and mechanical properties of specialty polymers and epoxy resins.
• Liquid Crystal & OLED Materials: Employed as a precursor or additive in the manufacture of electronic display materials to fine-tune electro-optical properties.
• UV Stabilizer & Antioxidant Precursor: Functions as a key intermediate in the synthesis of high-performance additives for plastics, coatings, and lubricants to prevent degradation.
• Organic Synthesis & Catalysis: Utilized as a ligand or reagent in asymmetric synthesis and transition metal catalysis for creating complex chiral molecules.

Basic Information

Product Name	2-[4-(tert-Butyl)Phenoxy]-2-Methylpropanoic Acid
CAS No.	76674-58-3
Molecular Formula	C14H20O3
Molecular Weight	236.31 g/mol
Synonyms	2-(p-tert-Butylphenoxy)-2-methylpropionic Acid; 2-Methyl-2-[4-(1,1-dimethylethyl)phenoxy]propanoic Acid; 2-(4-tert-Butylphenoxy)-2-methylpropanoic Acid; α-(p-tert-Butylphenoxy)isobutyric Acid; p-tert-Butylphenoxyisobutyric Acid; PTB-PIBA; CAS 76674-58-3; 4-tert-Butylphenoxyisobutyric Acid
EINECS	Contact for details

Quality Control

Our production of 2-[4-(tert-Butyl)Phenoxy]-2-Methylpropanoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting compliance in cGMP and ISO 9001 environments for critical 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). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed to minimize exposure to moisture and atmospheric contaminants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
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.