Description

3-Hydroxy-5-Methyl-Benzoic Acid Methyl Ester is a versatile organic ester derivative of benzoic acid, serving as a critical building block in advanced chemical synthesis. Its value lies in its bifunctional structure, featuring both a phenolic hydroxyl group and an ester moiety, which makes it a key intermediate for constructing more complex molecules. This compound is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and anti-inflammatory applications.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, where its aromatic core provides structural backbone for active ingredients.
• Liquid Crystal & OLED Materials: Serves as a starting material for synthesizing specialized organic compounds used in electronic displays and optoelectronic devices.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce specific properties into polymer chains, such as UV stability or enhanced adhesion.
• Dye & Pigment Manufacturing: Utilized in the synthesis of complex organic dyes and pigments, contributing to color fastness and molecular stability.
• Flavor & Fragrance Ingredient: Employed as an intermediate for creating specific aromatic esters used in high-value fragrance compositions.
• Organic Synthesis Reagent: A versatile building block in academic and industrial research laboratories for constructing libraries of compounds via esterification and coupling reactions.

Basic Information

Product Name	3-Hydroxy-5-Methyl-Benzoic Acid Methyl Ester
CAS No.	2615-71-6
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	Methyl 3-Hydroxy-5-methylbenzoate; 5-Methyl-3-hydroxybenzoic Acid Methyl Ester; 3-Hydroxy-5-methyl Methyl Benzoate; Benzoic acid, 3-hydroxy-5-methyl-, methyl ester; Methyl 5-methyl-3-hydroxybenzoate; 3-Hydroxy-m-toluic Acid Methyl Ester; Methyl 3-hydroxy-5-methylbenzoate
EINECS	220-045-2

Quality Control

Our 3-Hydroxy-5-Methyl-Benzoic Acid Methyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and GC-MS for identification, and residual solvent analysis, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request and are provided with each shipment to guarantee traceability and compliance.

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 heat sources, strong oxidizing agents, and incompatible materials. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Heavy Metals	≤ 20 ppm

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