Description

Neocupferron is a specialized analytical reagent widely used as a selective chelating agent and precipitant for the gravimetric and spectrophotometric determination of specific metal ions. Its primary value lies in its ability to form stable, insoluble complexes with copper, iron, and other transition metals, facilitating their separation and quantitative analysis. This makes it an essential chemical for quality control laboratories and research institutions in metallurgical, environmental, and industrial chemistry sectors.

Application

• Gravimetric Analysis: Selective precipitation of copper(II) and iron(III) ions from complex matrices for precise weight-based quantification.
• Spectrophotometric Determination: Formation of colored complexes with metal ions for sensitive detection and measurement via UV-Vis spectroscopy.
• Analytical Reagent: Used in standardized test methods for the assay of metal content in ores, alloys, and industrial process streams.
• Research & Development: A key tool in chemical research for studying metal-ligand interactions and developing new analytical methodologies.
• Water & Environmental Testing: Employed in trace metal analysis for monitoring copper and iron levels in environmental samples.
• Pharmaceutical Impurity Testing: Potential use in testing for heavy metal impurities in certain pharmaceutical raw materials, following appropriate validation.

Basic Information

Product Name	Neocupferron
CAS No.	1013-20-3
Molecular Formula	C9H9N3O2
Molecular Weight	191.19 g/mol
Synonyms	N-Nitroso-N-phenylhydroxylamine, Ammonium Salt; Cupferron, Neo-; Ammonium N-Nitrosophenylhydroxylamine; N-Nitroso-N-phenylhydroxylammonium; Benzenamine, N-hydroxy-N-nitroso-, ammonium salt; Analytical Reagent Neocupferron; N-Nitroso phenylhydroxylamine ammonium salt
EINECS	213-809-0

Quality Control

Our Neocupferron is manufactured under strict quality protocols to ensure high purity and batch-to-batch consistency suitable for analytical applications. Each lot is tested against stringent in-house specifications, which typically include identity confirmation by IR spectroscopy, purity assay, and verification of performance in standard metal precipitation tests. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance requirements.

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). Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain stability and efficacy.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	150 - 155 °C (dec.)
Loss on Drying	≤ 1.0 %
Residue on Ignition (Sulfated Ash)	≤ 0.1 %
Performance Test (Cu Precipitation)	Conforms

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