Description

4-Methoxybenzoic Acid is a versatile aromatic carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its methoxy-substituted benzoic acid structure provides unique reactivity and physicochemical properties, making it indispensable for creating high-value intermediates. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-purity raw materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), including certain analgesics, anti-inflammatory agents, and other therapeutic compounds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its aromatic core for effective bioactive molecules.
• Fragrance and Flavor Ingredient: Acts as a starting material or intermediate for synthesizing specific aroma chemicals and flavorants due to its benzoic acid backbone.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or modifying agent in the synthesis of specialized polymers and liquid crystal materials for electronic displays.
• Organic Synthesis & Research: A valuable reagent in academic and industrial laboratories for constructing complex molecules, studying reaction mechanisms, and developing new synthetic methodologies.
• UV Inhibitor & Stabilizer Precursor: Utilized in the development of additives for plastics, coatings, and personal care products to enhance stability against light degradation.

Basic Information

Product Name	4-Methoxybenzoic Acid
CAS No.	100-09-4
Molecular Formula	C8H8O3
Molecular Weight	152.15 g/mol
Synonyms	p-Anisic Acid; 4-Anisic Acid; Draconic Acid; p-Methoxybenzoic Acid; 4-Methoxybenzenecarboxylic Acid; Benzoic acid, 4-methoxy-; NSC 2216; USAF EK-1717
EINECS	202-818-5

Quality Control

Our 4-Methoxybenzoic Acid is manufactured under a strict quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive quality documentation, including detailed Certificates of Analysis (COA) for each lot, verifying parameters such as purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated industries.

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 strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	182 - 186 °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.