Description

Sodium p-[[4-[3-(2-Arsono-4-Nitrophenyl)Triazen-1-Yl]Phenyl]Azo]Benzenesulphonate is a specialized organic arsenical compound with a complex azo-triazene structure, serving as a high-performance intermediate for advanced material synthesis. Its unique molecular architecture makes it a critical precursor for creating functional dyes, pigments, and analytical reagents with specific chelating properties. This chemical is essential for industrial and research applications requiring precise molecular design, particularly in the development of colorants and specialized chemical sensors.

Application

• Key intermediate in the synthesis of specialized azo dyes and pigments for textiles, inks, and coatings.
• Precursor for the development of analytical reagents and chelating agents used in metal ion detection and complexometry.
• Research chemical for studying triazene and azo chemistry in academic and industrial R&D laboratories.
• Potential component in the formulation of functional materials for optoelectronics and sensor technology.
• Used in the preparation of colorimetric indicators for analytical chemistry applications.

Basic Information

Product Name	Sodium p-[[4-[3-(2-Arsono-4-Nitrophenyl)Triazen-1-Yl]Phenyl]Azo]Benzenesulphonate
CAS No.	1772-02-7
Molecular Formula	C25H16AsN7Na2O8S
Molecular Weight	711.36 g/mol
Synonyms	Sodium 4-[(4-{[3-(2-arsono-4-nitrophenyl)triazen-1-yl]phenyl}diazenyl)benzenesulfonate; Benzenesulfonic acid, 4-[[4-[3-(2-arsono-4-nitrophenyl)-1-triazenyl]phenyl]azo]-, disodium salt; C.I. 27165; Arsenazo I; Neo-Thorin; Thorin I; p-(2-Arsonophenylazo)chromotropic acid, disodium salt; 2,7-Bis(2-arsonophenylazo)chromotropic acid, disodium salt (related compound)
EINECS	217-200-5

Quality Control

Our production of Sodium p-[[4-[3-(2-Arsono-4-Nitrophenyl)Triazen-1-Yl]Phenyl]Azo]Benzenesulphonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure consistent performance and specification compliance. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles is provided with each shipment to support your quality assurance processes.

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 (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Orange to brownish-red powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic Content	Conforms to theoretical
Solubility	Soluble in water, alkaline solutions

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