Nessler's (King) reagent
Buy Nessler's (King) reagent (CAS 7783-33-7) from Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.
About Nessler's (King) reagent
Nessler's (King) reagent is part of the Zemixal diagnostic & Clinical Reagents range. For your records, the material is defined by CAS 7783-33-7, formula HgI4K2 and molar mass 786.41 g/mol. It is described as pale yellow liquid.
Where it is used
- Clinical chemistry
- Diagnostic assays
- Pathology laboratories
Safe handling
Hazard communication follows GHS (Danger: H300, H310, H330 and H373). Our SDS lists exposure controls and first-aid measures. For transport it ships as UN UN 2922.
Available as 100 mL, 500 mL and 25 L. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Clinical chemistry
- Diagnostic assays
- Pathology laboratories
Applications
Specifications and identifiers
| Product name | Nessler's (King) reagent |
|---|---|
| Catalogue number | ZX-003608 |
| CAS number | 7783-33-7 |
| IUPAC name | dipotassium;tetraiodomercury(2-) |
| Molecular formula | HgI4K2 |
| Molar mass | 786.41 g/mol |
| Exact mass | 787.5159 |
| Physical form | Liquid |
| Appearance | Pale yellow liquid |
| H-bond donors / acceptors | 0 / 1 |
| Topological polar surface area | 0 Ų |
| HS code | 38229090 |
| UN number | UN 2922 |
| InChIKey | OPCMAZHMYZRPID-UHFFFAOYSA-J |
| SMILES | [K+].[K+].I[Hg-2](I)(I)I |
| PubChem CID | 24542 |
| Synonyms | Potassium tetraiodomercurate – Potassium hydroxide solution, Nessler's reagent, Potassium mercuric iodide, Dipotassium tetraiodomercurate, Mayer's reagent, Potassium tetraiodomercurate(II), Nessler reagent, Potassium iodomercurate, Mercury potassium iodide, Mercury(II) potassium iodide, Potassium mercuriiodide, Potassium mercury iodine |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H373May causes damage to organs through prolonged or repeated exposure
- H400Very toxic to aquatic life
- H410Very toxic to aquatic life with long lasting effects
Precautionary statements P260, P262, P264, P270, P271, P273, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P319, P320, P321, P330, P361 + P364, P391, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 100 mL | Quoted on request | |
| 500 mL | Quoted on request | |
| 25 L | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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