Description

Disodium 4,4'-Bis[[2-(Hydroxyimino)-1-Phenylethylidene]Hydrazino]Stilbene-2,2'-Disulphonate is a high-purity, water-soluble organic compound primarily valued for its exceptional chelating and complexing properties. This chemical is critical for applications requiring precise control of metal ions, particularly in analytical and industrial processes. It is an essential material for manufacturers and research laboratories in sectors such as water treatment, textile processing, and analytical chemistry.

Application

• Analytical Chemistry Reagent: Used as a selective and sensitive chromogenic agent for the spectrophotometric determination of trace metal ions, such as copper, nickel, and cobalt.
• Water Treatment Formulations: Acts as a powerful sequestrant and scale inhibitor in boiler and cooling water systems to control hardness ions.
• Textile Auxiliary: Functions as a metal-complexing agent in dyeing and printing processes to improve color fastness and uniformity.
• Photographic Chemicals: Employed in specific photographic developers and stabilizers due to its redox and complexing characteristics.
• Industrial Cleaning: Incorporated into specialized cleaning formulations for metal surfaces to prevent redeposition of dissolved metal salts.
• Polymer Stabilization: Serves as a metal deactivator in polymer systems to inhibit metal-catalyzed degradation.
• Laboratory Research: Utilized as a model compound or reagent in synthetic and coordination chemistry research.

Basic Information

Product Name	Disodium 4,4'-Bis[[2-(Hydroxyimino)-1-Phenylethylidene]Hydrazino]Stilbene-2,2'-Disulphonate
CAS No.	51980-71-3
Molecular Formula	C30H24N6Na2O10S2
Molecular Weight	738.65 g/mol
Synonyms	Disodium 4,4'-Bis[(2-Hydroxyimino-1-phenylethylidene)hydrazino]stilbene-2,2'-disulfonate; Stilbene Disulfonate Derivative; 4,4'-Bis[(2-Hydroxyimino-1-phenylethylidene)hydrazino]stilbene-2,2'-disulfonic Acid Disodium Salt; Bis(hydroxyimino)stilbene disulfonate chelator; C.I. 40645; CAS 51980-71-3; Metal Indicator I; Analytical Grade Chelating Agent
EINECS	Contact for details

Quality Control

Our production of Disodium 4,4'-Bis[[2-(Hydroxyimino)-1-Phenylethylidene]Hydrazino]Stilbene-2,2'-Disulphonate adheres to a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and performance consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical parameters is provided with every shipment to guarantee compliance with your technical requirements.

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 to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Clear, yellow solution

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