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Specifications
|
Appearance |
White to yellowish-brown or gray crystalline solid or off-white powder |
|
Content |
98% min |
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Sensitivity test |
Qualified |
Overview
N-(1-Naphthyl)ethylenediamine dihydrochloride丨CAS 1465-25-4 (NED dihydrochloride) is a water-soluble, crystalline organic compound commonly used as a reagent in analytical chemistry, especially for colorimetric assays. It is a salt formed by ethylenediamine linked to a 1-naphthyl group, with two hydrochloride ions balancing the charge.
Applications
Colorimetric Detection of Nitrites
Widely used as a key reagent in the Griess reaction to detect nitrite ions (NO₂⁻) in aqueous samples. In this assay, NED reacts with diazonium salts formed from nitrites under acidic conditions, producing an azo dye that is pink to red in color. This allows sensitive and specific quantification of nitrites in environmental water, food, and biological samples.
Environmental Monitoring
Used to measure nitrite levels in wastewater, drinking water, soil extracts, and environmental samples to assess pollution and nitrogen cycling.
Food Industry
Helps detect nitrite preservatives in processed meats and other foods to ensure regulatory compliance and food safety.
Biomedical and Clinical Analysis
Employed in assays for nitrite and related nitrogen species in biological fluids, aiding in research related to nitric oxide metabolism and related pathologies.
Chemical and Biochemical Research
Used in laboratory protocols for detecting and studying nitrogenous compounds and their reactions.
Benefits
High Sensitivity and Specificity
N-(1-Naphthyl)ethylenediamine dihydrochloride丨CAS 1465-25-4 enables detection of nitrites at very low concentrations with clear, visible color change.
Water Solubility
Facilitates ease of use in aqueous systems and straightforward preparation of reagent solutions.
Stable and Reliable
Provides reproducible results in standard colorimetric assays.
Simple and Rapid
Assay using NED dihydrochloride is easy to perform and quick, ideal for routine monitoring and testing.
Cost-Effective
Inexpensive reagent suitable for large-scale environmental and industrial testing.
