Description

Phenarsone CAS NO 535-51-3 is an organoarsenic compound historically significant in medicinal chemistry. Its primary commercial value lies in its role as a key intermediate for synthesizing more complex arsenic-based compounds and as a reference standard in analytical and research settings. This product is essential for pharmaceutical R&D laboratories, chemical synthesis specialists, and quality control units requiring high-purity organometallic precursors.

Application

• Pharmaceutical Research & Development: Serves as a critical intermediate in the synthesis of novel therapeutic agents and as a reference compound for method development.
• Chemical Synthesis: Used as a specialized building block for constructing complex organoarsenic molecules in academic and industrial laboratories.
• Analytical Reference Standard: Employed in quality control and analytical laboratories for calibration, method validation, and impurity identification via techniques like HPLC and GC.
• Historical & Educational Studies: Provides a material basis for research into the history of chemotherapy and the evolution of organometallic pharmaceuticals.
• Specialty Chemical Manufacturing: Acts as a precursor for producing other arsenic-containing compounds with specific industrial or research applications.

Basic Information

Product Name	Phenarsone
CAS No.	535-51-3
Molecular Formula	C6H8AsNO3
Molecular Weight	217.06 g/mol
Synonyms	Arsphenamine Sulfoxylate; Arsphenamine Sulfoxylate Sodium; Sodium Arsphenamine Sulfoxylate; Sulfarsphenamine; Phenarsone Sulfoxylate; 3-Amino-4-hydroxyphenylarsenosulfide; Ehrlich 606 Sulfoxylate; Neoarsphenamine (related compound)
EINECS	208-615-5

Quality Control

Our Phenarsone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We support compliance with relevant regulatory frameworks for research and industrial use, and specifications can be aligned with customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.