Description

4-Aminophenylarsonic Acid is an organoarsenic compound featuring both an amino and an arsonic acid functional group, making it a versatile chemical intermediate. This compound is valued for its role in synthesizing more complex molecules, particularly in specialized pharmaceutical and research applications. It is primarily sought by manufacturers in the life sciences sector for the development of diagnostic agents and research chemicals, where precise chemical functionality is critical.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of specific organoarsenic compounds with potential therapeutic or diagnostic applications.
• Research & Development: Used in chemical and biochemical research to study arsenic-containing compounds and their interactions.
• Chemical Synthesis: Serves as a precursor for creating more complex arsenicals used in various niche industrial and laboratory processes.
• Veterinary Product Development: Historically used as a basis for developing certain feed additives; modern use is highly specialized and regulated.

Basic Information

Product Name	4-Aminophenylarsonic Acid
CAS No.	98-50-0
Molecular Formula	C6H8AsNO3
Molecular Weight	217.06 g/mol
Synonyms	p-Arsanilic Acid; 4-Arsanilic Acid; Aminophenylarsonic Acid; Atoxyl; Arsanilic Acid; Benzenearsonic acid, 4-amino-; Soamin; Arsenic acid (H2AsO3OH), (4-aminophenyl)-
EINECS	202-676-1

Quality Control

Our 4-Aminophenylarsonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing specific results for assay, impurities, and other critical parameters is provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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