Description

Thiosulfuric Acid S-[4-[[1-[[(2,5-Dimethoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Phenyl]o-Sodium Salt is a specialized azo dye intermediate with a reactive thiosulfate group, enabling its use in the synthesis of functional colorants and biochemical probes. This compound matters for its role in creating targeted, high-value dyes with specific binding or reactive properties for advanced applications. It is primarily needed by manufacturers in the fine chemical, dye and pigment, and life science research sectors.

Application

• Reactive Dye Synthesis: Key intermediate for producing fiber-reactive dyes used in textile coloring.
• Bioconjugation & Labeling: Used in the development of probes and labels for biochemical and diagnostic assays.
• Functional Polymer Production: Serves as a monomer or modifier for creating polymers with chromophoric or specific reactive sites.
• Photographic Chemical: Potential application in specialized photographic processes and imaging materials.
• Analytical Reagent: Used as a standard or reagent in analytical chemistry for method development.
• Research & Development: Employed in organic synthesis and material science research for novel compound creation.

Basic Information

Product Name	Thiosulfuric Acid S-[4-[[1-[[(2,5-Dimethoxyphenyl)Amino]Carbonyl]-2-Oxopropyl]Azo]Phenyl]o-Sodium Salt
CAS No.	18048-61-8
Molecular Formula	C18H18N3NaO6S2
Molecular Weight	459.47 g/mol
Synonyms	Sodium 4-[[1-[(2,5-dimethoxyphenyl)carbamoyl]-2-oxopropyl]azo]benzenethiosulfate; Benzenesulfinothioic acid, 4-[[1-[[(2,5-dimethoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]-, S-sodium salt; Azo dye intermediate 18048-61-8; Thiosulfuric acid (HOO3S2), S-[4-[[1-[[(2,5-dimethoxyphenyl)amino]carbonyl]-2-oxopropyl]azo]phenyl] ester, sodium salt; Reactive azo dye precursor; Sodium S-(4-((1-((2,5-dimethoxyphenyl)carbamoyl)-2-oxopropyl)diazenyl)phenyl) thiosulfate
EINECS	Contact for details

Quality Control

Our production of this specialty intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for sensitive synthesis applications. Quality is verified through analytical techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange-brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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