Description

3-Hydroxy-4-Methylbenzoic 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 essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with anti-inflammatory or analgesic properties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, contributing to crop protection solutions.
• 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 other complex colorants.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex benzoic acid derivatives and exploring new chemical entities.
• UV Stabilizer & Antioxidant Precursor: Used in the development of additives for plastics, coatings, and personal care products to enhance durability.

Basic Information

Product Name	3-Hydroxy-4-Methylbenzoic Acid
CAS No.	586-30-1
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	4-Methyl-3-hydroxybenzoic acid; 3-Hydroxy-p-toluic acid; 4-Methylsalicylic acid; 3-Hydroxy-4-methylbenzoic acid; 2-Hydroxy-5-methylbenzoic acid (alternate numbering); 5-Methylsalicylic acid; 4-Methyl-3-hydroxybenzoic acid; Benzoic acid, 3-hydroxy-4-methyl-
EINECS	209-571-4

Quality Control

Our 3-Hydroxy-4-Methylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be handled under an inert atmosphere for long-term storage or when handling large quantities to maintain purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	168°C - 172°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.