Description

p-Aminooxanilic Acid CAS NO 103-92-4 is a key organic intermediate featuring both amino and carboxylic acid functional groups. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. Industries such as fine chemical manufacturing, dye production, and research & development rely on this high-purity intermediate for its consistent reactivity and quality.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), including certain analgesics and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the production of herbicides, pesticides, and plant growth regulators, contributing to crop protection solutions.
• Dye and Pigment Manufacturing: Serves as a key component in the creation of azo dyes and other complex colorants for textiles and industrial applications.
• Fine Chemical Production: Acts as a versatile building block for custom synthesis and the manufacture of specialty chemicals.
• Research & Development: Employed in academic and industrial laboratories for method development and the creation of novel chemical entities.
• Chemical Synthesis: Utilized in various organic reactions, including coupling and condensation reactions, to introduce specific functional groups.

Basic Information

Product Name	p-Aminooxanilic Acid
CAS No.	103-92-4
Molecular Formula	C8H9NO3
Molecular Weight	167.16 g/mol
Synonyms	4-Amino-2-hydroxybenzoic Acid; 4-Aminosalicylic Acid (4-ASA); p-Aminosalicylic Acid; PAS; Para-Aminosalicylic Acid; 2-Hydroxy-4-aminobenzoic Acid; 4-Amino-2-hydroxybenzoic Acid; Aminosalicylic Acid
EINECS	203-157-0

Quality Control

Our p-Aminooxanilic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive applications. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 strong oxidizing agents and incompatible materials.

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

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