Description

3-Hydroxy-5-Methyl-Benzoic Acid is a versatile aromatic carboxylic acid derivative that serves as a key building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for creating complex molecules with specific functional properties. This compound is particularly sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators, where its benzoic acid core provides structural functionality.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or modifying agent in the synthesis of specialty polymers and liquid crystal materials for electronic displays.
• Dye & Pigment Manufacturing: Serves as an intermediate for producing azo dyes and complex organic pigments, contributing to color fastness and stability.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex molecular architectures, including ligands for catalysis.
• UV Stabilizer & Additive Precursor: Utilized in the development of light-absorbing compounds for plastics, coatings, and personal care products to enhance durability.

Basic Information

Product Name	3-Hydroxy-5-Methyl-Benzoic Acid
CAS No.	585-81-9
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	5-Methyl-3-hydroxybenzoic acid; 3-Hydroxy-5-methylbenzoic acid; 5-Methylsalicylic acid; 3-Hydroxy-m-toluic acid; m-Cresotic acid; 3-Hydroxy-5-methyl benzoic acid; 5-Methyl-3-hydroxy benzoic acid; Benzoic acid, 3-hydroxy-5-methyl-
EINECS	209-558-9

Quality Control

Our 3-Hydroxy-5-Methyl-Benzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, ensuring full traceability and compliance with your procurement requirements.

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 tightly sealed after opening to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 1.0 %
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.