NESSLER'S REAGENT

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NESSLER'S REAGENT Specification

Shelf Life
2 years under appropriate storage conditions

Physical Form
Liquid (as a solution) or crystalline solid

Molecular Weight
616.44 g/mol

Poisonous
YES

Molecular Formula
K2HgI4

EINECS No
231-992-5

Density
Gram per cubic centimeter(g/cm3)

Smell
Pungent ammonia-like odor

Usage
Laboratory reagent and qualitative analysis for ammonia

Grade
Laboratory reagent grade

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

Appearance
Pale-yellow solution or white solid

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

Ph Level
Highly alkaline

Taste
Not applicable or bitter

Solubility
Soluble in water

Ingredients
Mercuric iodide potassium iodide and potassium hydroxide

Melting Point
Decomposes before melting

Purity
Depends on preparation generally high-grade for laboratory use

Shape
Not applicable (mostly used as a solution)

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

CAS No
7783-33-7

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

HS Code
38220090

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.