Mercury(II) iodide
Mercury(II) iodide (CAS 7774-29-0), with the formula HgI2, is a notable inorganic compound with a molecular weight of 454.40 g/mol. Commonly encountered as a vibrant red crystalline solid, it exhibits limited solubility in water but dissolves in solutions of potassium iodide. It finds applications in chemical synthesis and is valued for its properties in materials science and catalysis.
- IUPAC
- Mercuric iodide red
Chemical Synthesis
Mercury(II) iodide serves as a reagent in various organic and inorganic synthetic pathways. Its ability to participate in specific reactions makes it a useful compound for creating more complex molecules.
Materials Science
The compound is utilised in materials science due to its unique crystallographic and optical properties. It has been investigated for applications in solid-state detectors and specialised optical devices.
Catalysis
As a mercury salt, Mercury(II) iodide can function as a catalyst or co-catalyst in certain chemical transformations. Its role is often observed in specific industrial processes requiring tailored reaction conditions.
| Molecular weight | 454.40 |
|---|---|
| Linear formula | HgI2 |
| Assay | ≥99.0% |
| Grade | anhydrous |
| Form | beads |
| Boiling point | 354 °C(lit.) |
| Solubility | potassium iodide solution: passes test |
| Melting point | 259 °C(lit.) |
| Impurities tested | ≤0.05% soluble Hg salts |
Hazard statements
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H373May cause damage to organs through prolonged exposure
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1638 6.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 26/27/28-33-50/53 |
| Safety statements (S) | 13-28-45-60-61 |
| Cation traces | Hg+: ≤0.1% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Mercury(II) iodide used for?
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Mercury(II) iodide is used in chemical synthesis, materials science, and as a catalyst. It is also known for its use in specialised detectors and optical devices.
What is the CAS number and formula for Mercury(II) iodide?
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The CAS number for Mercury(II) iodide is 7774-29-0, and its chemical formula is HgI2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Mercury(II) iodide in anhydrous grade with an assay of ≥99.0%. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should Mercury(II) iodide be handled safely?
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Mercury(II) iodide is acutely toxic if swallowed, in contact with skin, or if inhaled (H300, H310, H330), and may cause damage to organs through prolonged or repeated exposure (H373). It is also very toxic to aquatic life with long lasting effects (H410). Appropriate personal protective equipment, including gloves, eyeshields, and respiratory protection, must be used. Handle only in a well-ventilated area or under a fume hood. Refer to the Safety Data Sheet for full details.
How is Mercury(II) iodide packaged and shipped?
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Mercury(II) iodide is packaged according to relevant transport regulations, including UN 1638 classification (6.1 / PGII). We export globally, ensuring compliance with international shipping standards for hazardous materials.
How can I request a quote or sample?
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To request a quote or sample of Mercury(II) iodide, please contact our sales team through the website or by calling our customer service line. Please specify the quantity required.
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