Description

Azomethin-H Monosodium Salt Hydrate is a high-purity, water-soluble organic salt used as a key analytical reagent. Its primary value lies in its selective and sensitive chelating properties, making it an essential component for precise metal ion detection and quantification. This compound is critical for industries and laboratories requiring rigorous trace metal analysis, quality control, and research in environmental and material sciences.

Application

• Spectrophotometric Reagent: Used as a chromogenic agent for the quantitative determination of specific metal ions like aluminum, gallium, and indium in solution.
• Analytical Chemistry: Serves as a selective complexing agent in titrimetric and colorimetric analysis for quality control in pharmaceutical and chemical manufacturing.
• Water & Environmental Testing: Employed in the detection and measurement of trace metal contaminants in water, wastewater, and soil samples.
• Research & Development: Utilized in academic and industrial R&D for studying metal-ligand interactions, developing new analytical methods, and synthesizing coordination compounds.
• Industrial Process Control: Applied for monitoring metal ion concentrations in process streams within metallurgical, semiconductor, and plating industries.

Basic Information

Product Name	Azomethin-H Monosodium Salt Hydrate
CAS No.	206752-32-1
Molecular Formula	C17H13N2NaO8S2 · xH2O
Molecular Weight	436.41 g/mol (Anhydrous)
Synonyms	Azomethine-H Sodium Salt; Sodium 4-[(2-Hydroxy-3,6-disulfo-1-naphthyl)azo]-5-hydroxy-2,7-naphthalenedisulfonate; Trisodium 8-[(2-hydroxy-3,6-disulfo-1-naphthyl)azo]-1-hydroxy-2,7-naphthalenedisulfonate; Azomethine H; Mordant Blue 9; C.I. 43830; Aluminon, Sodium Salt; Aurintricarboxylic Acid, Trisodium Salt (related compound).
EINECS	Contact for details

Quality Control

Our Azomethin-H Monosodium Salt Hydrate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and batch-to-batch reproducibility suitable for sensitive analytical applications. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a low-humidity environment to prevent degradation and clumping.

Specification

Item	Specification
Appearance	Orange to brownish-red powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 10.0 %
Water Solubility	Clear solution
Heavy Metals (as Pb)	≤ 20 ppm

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