Description

4-Hydroxyphenylarsonic Acid is an organoarsenic compound that serves as a key synthetic intermediate and analytical standard. This compound matters for its role in the production of specialized pharmaceuticals, veterinary products, and as a precursor in organic synthesis. Industries requiring high-purity chemical building blocks, such as pharmaceutical R&D, agrochemical manufacturing, and analytical chemistry, are the primary users of this material.

Application

• Pharmaceutical Intermediate: Used in the synthesis of specific organoarsenic drugs and research compounds.
• Veterinary Product Synthesis: Acts as a precursor in the manufacture of certain feed additives and veterinary pharmaceuticals.
• Research & Development: Serves as a critical reagent and building block in organic and medicinal chemistry research.
• Analytical Standard: Employed as a high-purity reference standard in chromatography and spectroscopy for quality control and method development.
• Chemical Synthesis: Utilized as a specialized intermediate for introducing the hydroxyphenylarsonic acid moiety into more complex molecules.
• Agrochemical Research: Investigated for potential applications in the development of specialized crop protection agents.

Basic Information

Product Name	4-Hydroxyphenylarsonic Acid
CAS No.	98-14-6
Molecular Formula	C6H7AsO4
Molecular Weight	218.04 g/mol
Synonyms	p-Hydroxyphenylarsonic Acid; Phenol, 4-arsono-; Arsonic acid, (4-hydroxyphenyl)-; Roxarsone Impurity; 4-Arsonophenol; (4-Hydroxyphenyl)arsonic Acid; 4-HPA; 98-14-6
EINECS	202-639-3

Quality Control

Our 4-Hydroxyphenylarsonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 the container tightly sealed to minimize exposure to 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%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Arsenic (As) Content	Calculated to be within theoretical range

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