Description

4-Methylsalicylic Acid (CAS NO 50-85-1) is a versatile organic compound that serves as a critical intermediate and building block in advanced chemical synthesis. Its unique structure, combining phenolic and carboxylic acid functionalities, makes it valuable for modifying chemical properties and introducing specific molecular motifs. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs), analgesics, and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its phenolic moiety.
• Dye and Pigment Manufacturing: Acts as a coupling agent and intermediate in the synthesis of azo dyes and other complex colorants.
• Polymer Additives: Employed as a monomer or modifier in the production of specialty polymers, resins, and coatings to impart specific properties like UV absorption.
• Chemical Research & Development: A valuable building block in organic synthesis for creating novel compounds in academic and industrial research settings.
• Flavor and Fragrance Ingredient: Used in the synthesis of certain aroma chemicals due to its salicylate derivative nature.

Basic Information

Product Name	4-Methylsalicylic Acid
CAS No.	50-85-1
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	4-Methylsalicylic Acid; 2-Hydroxy-4-methylbenzoic Acid; p-Cresotic Acid; 4-MSA; 4-Methyl-2-hydroxybenzoic Acid; Homosalicylic Acid; 4-Cresotic Acid; NSC 403697
EINECS	200-068-4

Quality Control

Our 4-Methylsalicylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your 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 acids and organic solvents. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	172°C - 177°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.