Description

3,4-Dimethylphenylacetic Acid CAS NO 17283-16-8 is a versatile aromatic carboxylic acid derivative characterized by its dimethyl-substituted phenyl ring. This compound serves as a critical high-purity building block and key synthetic intermediate in advanced organic synthesis. It is primarily required by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a building block for advanced electronic materials and organic light-emitting diodes.
• Fine Chemical Production: Employed in the manufacture of dyes, pigments, and perfumery chemicals.
• Academic & R&D: Utilized in research laboratories for method development and novel compound synthesis.
• Polymer Modification: Acts as a monomer or modifier to introduce specific aromatic functionalities into polymer chains.

Basic Information

Product Name	3,4-Dimethylphenylacetic Acid
CAS No.	17283-16-8
Molecular Formula	C10H12O2
Molecular Weight	164.20 g/mol
Synonyms	(3,4-Dimethylphenyl)acetic Acid; 3,4-Dimethylbenzeneacetic Acid; 3,4-Xylylacetic Acid; 2-(3,4-Dimethylphenyl)acetic Acid; DL-3,4-Dimethylhomomandelic Acid; α-(3,4-Dimethylphenyl)acetic Acid; 3,4-Dimethyl-α-toluic Acid
EINECS	Contact for details

Quality Control

Our 3,4-Dimethylphenylacetic Acid is produced under a strict quality management system. Each 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.

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 strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	95°C - 105°C
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%

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