Description

3-Hydroxybenzoic Acid Sodium Salt is the sodium salt derivative of 3-hydroxybenzoic acid, offering enhanced solubility and stability for various industrial processes. This compound serves as a versatile intermediate and functional additive, valued for its phenolic and carboxylic acid functionalities. It is essential for manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors seeking reliable, high-purity raw materials for synthesis and formulation.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a phenolic benzoate structure.
• Agrochemical Synthesis: Acts as a key building block for herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a coupling agent or intermediate in the production of azo dyes and other colorants.
• Polymer Modification: Employed as a monomer or additive to introduce hydrophilic and anionic properties into specialty polymers and resins.
• Preservative and Antioxidant Precursor: Functions as a starting material for synthesizing parabens and other phenolic preservatives.
• Research and Development: Utilized in chemical research as a standard or reagent for organic synthesis and metabolic studies.

Basic Information

Product Name	3-Hydroxybenzoic Acid Sodium Salt
CAS No.	7720-19-6
Molecular Formula	C7H5NaO3
Molecular Weight	160.10 g/mol
Synonyms	Sodium 3-Hydroxybenzoate; 3-Hydroxybenzoic Acid Sodium Salt; Benzoic acid, 3-hydroxy-, monosodium salt; m-Hydroxybenzoic Acid Sodium Salt; Sodium m-Hydroxybenzoate; 3-Carboxyphenol Sodium Salt; Sodium 3-Carboxyphenolate
EINECS	231-773-8

Quality Control

Our 3-Hydroxybenzoic Acid Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting results for assay, related substances, and other critical parameters are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

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%
pH (5% Solution)	7.0 - 9.0

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