Description

2,5-Dihydroxybenzoic Acid Sodium Salt Hydrate is a water-soluble sodium salt derivative of gentisic acid, offering enhanced stability and handling characteristics. This compound is valued for its role as a key intermediate and analytical standard in advanced chemical synthesis and research. It is primarily utilized by the pharmaceutical, cosmetic, and specialty chemical industries for applications requiring a stable, bio-compatible phenolic acid salt.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly those leveraging the antioxidant properties of the dihydroxybenzoate moiety.
• Analytical Reference Standard: Serves as a high-purity standard in HPLC and LC-MS methods for the quantification of related phenolic compounds in various matrices.
• Cosmetic Formulations: Incorporated into skincare products for its potential antioxidant and stabilizing effects.
• Biochemical Research: Employed in enzymatic studies and as a substrate or inhibitor in research concerning polyphenol metabolism.
• Polymer Chemistry: Acts as a monomer or additive in the production of specialty polymers and resins.
• Food & Beverage Analysis: Used as a standard in quality control labs for analyzing natural antioxidants and preservatives.

Basic Information

Product Name	2,5-Dihydroxybenzoic Acid Sodium Salt Hydrate
CAS No.	2097446-27-8
Molecular Formula	C7H5NaO4 · xH2O
Molecular Weight	176.10 (Anhydrous basis)
Synonyms	Sodium 2,5-Dihydroxybenzoate Hydrate; Sodium Gentisate Hydrate; 2,5-Dihydroxybenzoic Acid Sodium Salt; Gentisic Acid Sodium Salt; 5-Hydroxysalicylic Acid Sodium Salt; Sodium 5-Hydroxysalicylate; 2,5-DHBA Sodium Salt
EINECS	Contact for details

Quality Control

Our 2,5-Dihydroxybenzoic Acid Sodium Salt Hydrate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for assay, related substances, residual solvents, and other critical parameters are available upon request.

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 to structure
Assay (HPLC)	≥98.0% (on anhydrous basis)
Water Content (KF)	Contact for details
Related Substances (HPLC)	Total impurities ≤2.0%
Heavy Metals	≤20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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