MERCURIC IODIDE (RED)

MERCURIC IODIDE (RED) – ACS GRADE
Chemical Name: Mercuric Iodide (Red Form)
Formula: HgI₂
Molecular Weight: 454.40 g/mol
CAS Number: 7774-29-0
Grade: ACS (Analytical Reagent)
Purity: Conforms to ACS specifications
Pack Size: 5 g
Packaging: Amber reagent bottle (light-protective)

Description
Mercuric iodide is a bright red crystalline inorganic compound used in high-precision analytical chemistry. It exhibits polymorphism (red ↔ yellow transition with heat) and is highly sensitive to environmental conditions. It is widely used in mercury chemistry and reagent preparation.

Specifications (ACS – Typical)
Assay (as Hg): ≥ 99% (ACS compliant)
Appearance: Bright red crystalline powder
Chloride (Cl): Trace level
Other metal impurities (Ca, Mg, K, Na): Trace
Insoluble matter: Minimal

Applications
Preparation of Nessler’s reagent (ammonia detection)
Analytical chemistry reagent
Mercury compound studies
Specialized laboratory and research applications

Handling & Storage
Store in cool, dry, well-ventilated area
Keep container tightly closed
Protect from light and heat (use amber bottle)
Avoid contact with incompatible substances

⚠️ Hazard Information (CRITICAL)
Highly toxic (mercury compound)
Toxic by ingestion, inhalation, and skin absorption
Cumulative poison (kidneys & nervous system)
Environmental hazard (aquatic toxicity)

Safety Precautions
Use gloves, goggles, lab coat, respirator if needed
Handle strictly in a fume hood
Avoid any exposure or contamination
Dispose via approved hazardous waste channels
Packaging
Standard: 5 g amber bottle (as shown)
Other sizes: 1 g, 10 g, 25 g
Comparable Suppliers
Sigma-Aldrich
Merck
Avantor (Baker)
Loba Chemie
SRL

WLS Safety Note
⚠️ STRICTLY FOR LABORATORY USE ONLY
Highly toxic mercury compound. Not for general handling or non-professional use.