Diphenylmercury(II)
Diphenylmercury(II), CAS 587-85-9, with the linear formula (C₆H₅)₂Hg and a molecular weight of 354.80 g/mol, is an organomercury compound. It finds application as a reagent in organic synthesis, particularly in the introduction of phenyl groups. Its use extends to catalytic processes and as a precursor in inorganic chemistry research. Tech Serve Solutions supplies this compound for laboratory and industrial applications.
- IUPAC
- Mercury(II)diphenyl
- Synonyms
- Mercury(II) diphenyl

Organic Synthesis Reagent
Diphenylmercury(II) is utilised for phenyl group transfer in various organic reactions. It serves as a valuable reagent for synthesising complex organic molecules and intermediates.
Catalysis
This compound can act as a catalyst or pre-catalyst in specific chemical transformations. Its organometallic nature allows it to participate in catalytic cycles.
Inorganic Chemistry
It serves as a precursor for the synthesis of other mercury-containing compounds. Its properties are of interest in the study of organometallic chemistry.
| Molecular weight | 354.80 |
|---|---|
| Linear formula | (C6H5)2Hg |
| Density | 2.32 g/mL at 25 °C(lit.) |
| Melting point | 121-124 °C(lit.) |



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
| Transport (UN / ADR) | UN 2026 6.1 / PGIII |
|---|---|
| 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 Diphenylmercury(II) used for?
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Diphenylmercury(II) is primarily used as a reagent in organic synthesis for phenyl group transfer, in catalysis, and as a precursor in inorganic chemistry.
What is the CAS number and formula for Diphenylmercury(II)?
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The CAS number is 587-85-9, and the linear formula is (C₆H₅)₂Hg.
What grade and purity does Tech Serve Solutions supply for Diphenylmercury(II)?
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Tech Serve Solutions supplies Diphenylmercury(II) typically at a research or technical grade with a purity indicated by the assay on the Certificate of Analysis. We do not represent this product as USP, BP, or EP grade unless explicitly stated in the product specifications.
How should Diphenylmercury(II) be handled safely?
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Diphenylmercury(II) is highly toxic and an environmental hazard. Handle with extreme care in a well-ventilated area or fume hood, wearing appropriate personal protective equipment including gloves, eye protection, and respiratory protection. Avoid inhalation, ingestion, and skin contact. Dispose of as hazardous waste according to regulations.
Is Diphenylmercury(II) a controlled substance?
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The provided data does not indicate that Diphenylmercury(II) is a controlled substance. However, users should always comply with local, national, and international regulations regarding mercury compounds.
How is Diphenylmercury(II) packed and shipped?
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Diphenylmercury(II) is packed in accordance with UN 2026 regulations for hazardous materials. As a specialist global supplier, Tech Serve Solutions ensures compliant and secure packaging for export.
How can I request a quote or sample of Diphenylmercury(II)?
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To request a quote or sample, please contact our sales department via the website or by phone, providing the product name (Diphenylmercury(II)), CAS number (587-85-9), and your required quantity.
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