Description

4-Hydroxy-2-Methoxy-Benzoic Acid is a versatile aromatic carboxylic acid derivative, valued for its role as a key synthetic intermediate and functional component in advanced chemical synthesis. Its molecular structure, featuring both phenolic and carboxylic acid groups, makes it a valuable building block for creating more complex molecules with specific properties. 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 crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a salicylic acid derivative backbone.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where its structure contributes to biological activity.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing azo dyes and other complex colorants.
• UV Absorber and Stabilizer: Incorporated into formulations for plastics, coatings, and cosmetics to enhance light stability due to its phenolic structure.
• Fragrance and Flavor Ingredient: Acts as a starting material or modifier in the synthesis of certain aroma chemicals.
• Research & Development: Employed in organic chemistry research for studying reaction mechanisms and developing new synthetic methodologies.

Basic Information

Product Name	4-Hydroxy-2-Methoxy-Benzoic Acid
CAS No.	90111-34-5
Molecular Formula	C8H8O4
Molecular Weight	168.15 g/mol
Synonyms	2-Methoxy-4-hydroxybenzoic acid; 4-Hydroxy-2-methoxybenzoic acid; 2-Methoxysalicylic acid; 4-Hydroxy-o-anisic acid; o-Anisic acid, 4-hydroxy-; Benzoic acid, 4-hydroxy-2-methoxy-; Isovanillic acid methyl ether (related); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-2-Methoxy-Benzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, related substances, and residual solvents. Our quality commitment supports applications requiring high-purity intermediates, including those under GMP guidelines for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents and strong bases. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

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%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Contact for details

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