Description

4-tert-Butylphenylacetic Acid is a versatile organic compound belonging to the phenylacetic acid derivative family. This chemical serves as a valuable building block and intermediate in the synthesis of more complex molecules, prized for its aromatic structure and reactive carboxylic acid group. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for research and production purposes.

Application

• Pharmaceutical Intermediate: Key starting material or intermediate in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & Polymer Additives: Serves as a precursor in the manufacture of liquid crystal materials and specialty polymer modifiers.
• Fragrance & Flavor Chemistry: Acts as a building block for synthesizing certain aromatic compounds used in perfumery.
• Organic Synthesis & Research: A useful reagent in academic and industrial R&D labs for constructing complex organic molecules.
• Dye & Pigment Manufacturing: Intermediate in the production of certain dyes and organic pigments.

Basic Information

Product Name	4-tert-Butylphenylacetic Acid
CAS No.	32857-63-9
Molecular Formula	C₁₂H₁₆O₂
Molecular Weight	192.26 g/mol
Synonyms	p-tert-Butylphenylacetic Acid; 4-(1,1-Dimethylethyl)benzeneacetic Acid; (4-tert-Butylphenyl)acetic Acid; 4-tert-Butylbenzeneacetic Acid; 4-tert-Butyl-α-toluic Acid; 2-(4-tert-Butylphenyl)acetic Acid; NSC 403697; BRN 2049271
EINECS	251-284-7

Quality Control

Our 4-tert-Butylphenylacetic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing results from tests such as HPLC, GC, and NMR. Our quality commitment ensures reliable consistency and traceability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 99 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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