Description

4-Hydroxy-2-Methylphenylacetic Acid is a versatile aromatic carboxylic acid derivative that serves as a key building block in advanced organic synthesis. This compound is valued for its phenolic and acetic acid functional groups, which enable its use in the creation of complex molecules with specific biological or material properties. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial 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, leveraging its phenolic structure.
• Fine Chemical Production: Serves as a building block for dyes, pigments, and UV stabilizers in material science applications.
• Biochemical Research: Employed as a standard or reagent in enzymatic studies and metabolic pathway research due to its specific structure.
• Polymer Modification: Acts as a monomer or additive to introduce functional groups into polymer chains, enhancing material properties.
• Cosmetic Ingredient Synthesis: Used in the controlled synthesis of certain preservatives and antioxidant compounds.

Basic Information

Product Name	4-Hydroxy-2-Methylphenylacetic Acid
CAS No.	29336-53-6
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	2-(4-Hydroxy-2-methylphenyl)acetic acid; 4-Hydroxy-o-tolylacetic acid; 2-Methyl-4-hydroxyphenylacetic acid; (4-Hydroxy-2-methylphenyl)ethanoic acid; HMAA; o-Cresotic acid derivative
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-2-Methylphenylacetic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for synthesis and research. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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