Description

4-Methoxybenzoic Acid Sodium Salt is the water-soluble sodium salt of 4-methoxybenzoic acid, offering enhanced handling and formulation properties compared to its free acid form. This compound serves as a versatile chemical intermediate and functional additive in advanced manufacturing processes. It is primarily utilized by the pharmaceutical and fine chemical industries for synthesis, as well as in research and development laboratories.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other drug substances.
• Organic Synthesis: Acts as a key building block or protecting group reagent in multi-step synthetic routes.
• Chemical Research: Employed in academic and industrial R&D for developing new compounds and methodologies.
• Preservative & Additive Precursor: Can be utilized in the production of specialty preservatives or functional additives for various formulations.
• Dye & Pigment Manufacturing: Serves as an intermediate in the production of certain dyes and organic pigments.
• Analytical Chemistry: May be used as a standard or reagent in analytical testing and method development.

Basic Information

Product Name	4-Methoxybenzoic Acid Sodium Salt
CAS No.	536-45-8
Molecular Formula	C8H7NaO3
Molecular Weight	174.13 g/mol
Synonyms	Sodium 4-Methoxybenzoate; Sodium p-Anisate; p-Methoxybenzoic Acid Sodium Salt; 4-Methoxybenzoic Acid Sodium Salt; Sodium 4-Methoxybenzoate; Anisic Acid Sodium Salt; Sodium p-Methoxybenzoate; Benzoic acid, 4-methoxy-, sodium salt (1:1)
EINECS	208-632-5

Quality Control

Our 4-Methoxybenzoic Acid Sodium Salt is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. A Certificate of Analysis (COA) detailing the results is provided with each shipment to guarantee traceability and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or degradation. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥98.0%
Loss on Drying	≤2.0%
Heavy Metals (as Pb)	≤20 ppm
Residue on Ignition	≤0.1%

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