Methylmercury(II) chloride
Methylmercury(II) chloride (CAS 115-09-3), with the linear formula CH3HgCl and a molecular weight of 251.08 g/mol, is an organomercury compound. It is primarily utilised in chemical synthesis and research as an organometallic reagent. Its well-defined properties make it suitable for applications requiring precise chemical reactions and analytical testing, including identity confirmation via NMR.

Chemical Synthesis
Utilised as a reagent in the synthesis of various organic compounds, leveraging its organometallic properties.
Organometallic Chemistry
Serves as a valuable compound in the study and application of organometallic reactions and mechanisms.
Research and Development
Employed in laboratory settings for research purposes, including reaction development and analytical method validation.
| Molecular weight | 251.08 |
|---|---|
| Linear formula | CH3HgCl |
| Suitability | passes test for identity (NMR) |
| Melting point | 170-173 °C(lit.)170-173 °C |



Hazard statements
- H300Fatal if swallowed
- 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 2025 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) | 13-28-36-45-60-61 |
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 Methylmercury(II) chloride used for?
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Methylmercury(II) chloride is used in chemical synthesis, as an organometallic reagent, and in research and development settings.
What is the CAS number and chemical formula for Methylmercury(II) chloride?
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The CAS number for Methylmercury(II) chloride is 115-09-3, and its linear formula is CH3HgCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Methylmercury(II) chloride that passes testing for identity by NMR. We do not represent this product as meeting USP, BP, or EP pharmacopoeia standards.
How should Methylmercury(II) chloride be handled safely?
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Methylmercury(II) chloride is acutely toxic if swallowed, in contact with skin, and if inhaled (H300 + H310 + H330). It may cause damage to organs through prolonged or repeated exposure (H373) and is very toxic to aquatic life with long-lasting effects (H410). Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and handle in a well-ventilated area or fume hood.
Is Methylmercury(II) chloride a controlled substance?
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Based on the provided data, there is no explicit mention of Methylmercury(II) chloride being a scheduled or controlled substance. However, users should verify local regulations.
How is Methylmercury(II) chloride shipped and exported?
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Methylmercury(II) chloride is shipped under UN 2025, Hazard Class 6.1, Packing Group II. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant transport regulations.
How can I request a sample or quote for Methylmercury(II) chloride?
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To request a sample or quote, please contact our sales team via the website or direct email, providing your specific requirements and shipping details.
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