Description

3-Methoxysalicylic Acid is a versatile organic compound and a key derivative of salicylic acid, featuring a methoxy substituent that modifies its chemical reactivity and physical properties. This structural modification makes it a valuable intermediate and building block in sophisticated organic syntheses, particularly for pharmaceuticals and fine chemicals. It is essential for R&D chemists and production specialists in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity, reliable synthetic precursors.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), including non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its phenolic and carboxylic acid functionalities are utilized.
• Dye and Pigment Manufacturing: Serves as an intermediate in the synthesis of complex organic dyes, pigments, and colorants.
• Fine Chemical Production: Acts as a building block for various specialty chemicals, including UV absorbers, polymer additives, and flavor/fragrance compounds.
• Research & Development: Employed in academic and industrial laboratories for method development, chemical research, and process optimization.
• Coordination Chemistry: Functions as a ligand for metal ions in catalytic systems and material science applications.

Basic Information

Product Name	3-Methoxysalicylic Acid
CAS No.	877-22-5
Molecular Formula	C8H8O4
Molecular Weight	168.15 g/mol
Synonyms	2-Hydroxy-3-methoxybenzoic Acid; 3-Methoxy-2-hydroxybenzoic Acid; 3-O-Methylsalicylic Acid; o-Vanillic Acid; 3-Methoxysalicylate; 3-MSA; 2-Hydroxy-m-anisic Acid; 3-Methoxy-2-hydroxybenzoate
EINECS	212-893-1

Quality Control

Our 3-Methoxysalicylic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for demanding synthetic applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for every shipment upon request, providing full traceability and compliance assurance.

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 heat, sparks, and open flame. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °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.