NESSLER'S REAGENT

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NESSLER'S REAGENT Specification

Ph Level
Highly alkaline

CAS No
7783-33-7

Shape
Not applicable (mostly used as a solution)

Purity
Depends on preparation generally high-grade for laboratory use

Appearance
Pale-yellow solution or white solid

Grade
Laboratory reagent grade

Molecular Weight
616.44 g/mol

Taste
Not applicable or bitter

Ingredients
Mercuric iodide potassium iodide and potassium hydroxide

Physical Form
Liquid (as a solution) or crystalline solid

Shelf Life
2 years under appropriate storage conditions

Usage
Laboratory reagent and qualitative analysis for ammonia

Density
Gram per cubic centimeter(g/cm3)

Properties
Sensitive colorimetric reagent; reacts with ammonia to produce a yellow or brown precipitate

HS Code
38220090

Structural Formula
Contains K+ ions Hg2+ and four Iodide (I-) ions

EINECS No
231-992-5

Molecular Formula
K2HgI4

Application
Used for detection of ammonia and ammonium compounds in analytical chemistry

Melting Point
Decomposes before melting

Smell
Pungent ammonia-like odor

Solubility
Soluble in water

Storage
Store in a cool dry place in tightly closed containers. Protect from light.

Poisonous
YES

About NESSLER'S REAGENT

Nesslers Reagent is a high-grade laboratory reagent grade solution or white solid used for the detection of ammonia and ammonium compounds in analytical chemistry. With a pungent ammonia-like odor, it serves as a sensitive colorimetric reagent that reacts with ammonia to produce a yellow or brown precipitate. The reagent contains Mercuric iodide, potassium iodide, and potassium hydroxide, offering a molecular weight of 616.44 g/mol and a molecular formula of K2HgI4. This highly alkaline solution is soluble in water and must be stored in a cool, dry place to maintain its properties. Suitable for qualitative analysis for ammonia, Nesslers Reagent has a shelf life of 2 years under appropriate conditions.