Nessler’s reagent - CP, ≥98% , CAS No.7783-33-7

CAS: 7783-33-7 Cat. No.: D109693 Formula: K₂HgI₄ Molecular Weight: 786.40 EC Number: 231-990-4

GRADE & PURITY CP, ≥98%

Synonyms

Potassium mercuric iodide | Nessler's reagent | potassium tetraiodidomercurate(2-) | Nessler reagent | reactivo de Nessler | Nesslers Reagenz | Potassium mercury iodine | potassium tetraiodidomercurate | MERCURIC POTASSIUM IODIDE | Potassium tetraiodomerc

Storage

Protected from light,Room temperature,Argon charged

Shipped In

FedEx DG Service

Overview

Nessler’s reagent is widely used in determination of ammonium compounds. It can be prepared using anhydrous mercuric iodide and anhydrous potassium iodide. It can be prepared from potassium tetraiodomercurate dissolved in potassium hydroxide.
Reagent for the determination of ammonia

Specifications

Synonyms

Potassium mercuric iodide | Nessler's reagent | potassium tetraiodidomercurate(2-) | Nessler reagent | reactivo de Nessler | Nesslers Reagenz | Potassium mercury iodine | potassium tetraiodidomercurate | MERCURIC POTASSIUM IODIDE | Potassium tetraiodomerc

Specifications & Purity

CP, ≥98%

Storage

Protected from light,Room temperature,Argon charged

Shipped In

FedEx DG Service

Grade

CP

Purity

≥98%

Names and Identifiers

Pubchem Sid

508815499

Canonical Smiles

[K+].[K+].I[Hg-2](I)(I)I

IUPAC Name

dipotassium;tetraiodomercury(2-)

InChIKey

OPCMAZHMYZRPID-UHFFFAOYSA-J

INCHI

1S/Hg.4HI.2K/h;4*1H;;/q+2;;;;;2*+1/p-4

Isomeric SMILES

[K+].[K+].I[Hg-2](I)(I)I

UN Number

1643

Packing Group

II

Molecular Weight

786.40

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Transition metal salts
      • Subclass Transition metal iodides

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Transition metal salts
• Subclass: Transition metal iodides
• Intermediate Tree Nodes: Not available
• Direct Parent: Transition metal iodides
• Alternative Parents: Inorganic salts Inorganic mercury compounds
• Molecular Framework: Not available
• Substituents: Transition metal iodide - Inorganic salt - Inorganic mercury compound
• Description: This compound belongs to the class of inorganic compounds known as transition metal iodides. These are inorganic compounds in which the largest halogen atom is Iodine, and the heaviest metal atom is a transition metal.
• External Descriptors: periodometallate salt

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in water.
• Sensitivity: Moisture & Light sensitive.
• Melt Point(°C): 120-127°C
• Molecular Weight: 786.410 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 1
• Rotatable Bond Count: 0
• Exact Mass: 787.516 Da
• Monoisotopic Mass: 787.516 Da
• Topological Polar Surface Area: 0.000 Ų
• Heavy Atom Count: 7
• Formal Charge: 0
• Complexity: 19.100
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 3

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