Description

5-Sulfosalicylaldehyde, Sodium Salt is a versatile organic salt derivative of salicylaldehyde, widely utilized as a key intermediate and analytical reagent. Its primary value lies in its bifunctional nature, featuring both a reactive aldehyde group and a sulfonate moiety, making it a crucial building block for synthesizing complex ligands and dyes. This compound is essential for researchers and manufacturers in the pharmaceutical, fine chemical, and analytical chemistry sectors who require a high-purity, water-soluble precursor for chelating agents and chromogenic substrates.

Application

• Pharmaceutical Intermediate: Synthesis of novel Schiff base ligands for metal-based drugs and diagnostic agents.
• Analytical Chemistry Reagent: Used as a chromogenic agent for the spectrophotometric determination of various metal ions, including iron and copper.
• Fine Chemical Synthesis: A key precursor for producing specialized dyes, fluorescent markers, and complexing agents.
• Research & Development: Employed in academic and industrial R&D for developing new coordination compounds and catalytic systems.
• Polymer Chemistry: Can be incorporated into polymer backbones to introduce functional groups for ion-exchange or chelating resins.

Basic Information

Product Name	5-Sulfosalicylaldehyde, Sodium Salt
CAS No.	16856-04-5
Molecular Formula	C7H5NaO5S
Molecular Weight	224.16 g/mol
Synonyms	5-Formyl-2-hydroxybenzenesulfonic acid sodium salt; Sodium 5-formyl-2-hydroxybenzenesulfonate; 2-Hydroxy-5-formylbenzenesulfonic acid sodium salt; 5-Sulfosalicylaldehyde sodium salt; Salicylaldehyde-5-sulfonic acid sodium salt; 5-Carboxybenzaldehyde-2-sulfonic acid sodium salt (related); SSAS
EINECS	240-877-7

Quality Control

Our 5-Sulfosalicylaldehyde, Sodium Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality.

Storage

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

Specification

Item	Specification
Appearance	Yellow to pale brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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