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Mercury(II) trifluoromethanesulfonate

CAS 49540-00-3(CF3SO3)2HgCatalysis & Inorganic

Mercury(II) trifluoromethanesulfonate (CAS: 49540-00-3), with the linear formula (CF3SO3)2Hg and a molecular weight of 498.73 g/mol, is a mercury salt utilised in chemical synthesis. It serves as an efficient agent for olefin cyclization, particularly in the preparation of polycyclic terpenoids. This compound is supplied by Tech Serve Solutions with an assay of ≥95% on a trace metals basis.

IUPAC
Hg(OTf)2
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Mercury(II) trifluoromethanesulfonate ((CF3SO3)2Hg) — chemical structure, CAS 49540-00-3; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical SynthesisMercury
01 /Applications

Olefin Cyclization

Mercury(II) trifluoromethanesulfonate is an effective reagent for catalysing the cyclization of olefins. It is particularly noted for its utility in complex synthetic transformations.

Preparation of Polycyclic Terpenoids

This compound plays a key role in synthetic routes to polycyclic terpenoids. Its application facilitates the construction of intricate molecular frameworks found in these natural products.

Chemical Synthesis Reagent

As a mercury(II) salt of trifluoromethanesulfonic acid, it is employed in various organic synthesis applications requiring a Lewis acidic mercury source. Its reactivity profile makes it valuable for specific transformations.

02 /Properties
Molecular weight498.73
Linear formula(CF3SO3)2Hg
Assay≥95% trace metals basis
ApplicationEfficient olefin cyclization agent, effective for the preparation of polycyclic terpenoids.1
Melting point>350 °C(lit.)
03 /Safety & handling
GHS hazard pictogram: Toxic (GHS06)
Toxic
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
GHS hazard pictogram: Environmental hazard (GHS09)
Environmental hazard
Danger

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 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.

04 /Identifiers & registry
CAS number
49540-00-3
MDL number
MFCD00144746
PubChem substance
24873853
05 /Quality & supply

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.

06 /Frequently asked questions

What is Mercury(II) trifluoromethanesulfonate primarily used for?

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Mercury(II) trifluoromethanesulfonate is primarily used as an efficient olefin cyclization agent and is effective for the preparation of polycyclic terpenoids in chemical synthesis.

What is the CAS number and formula for Mercury(II) trifluoromethanesulfonate?

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The CAS number is 49540-00-3, and the linear formula is (CF3SO3)2Hg.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Mercury(II) trifluoromethanesulfonate with an assay of ≥95% on a trace metals basis. This product is not represented as USP, BP, or EP grade.

How should Mercury(II) trifluoromethanesulfonate be handled safely?

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Mercury(II) trifluoromethanesulfonate is classified with Danger signal word and carries significant hazards including acute toxicity (oral, dermal, inhalation) and potential long-term health effects. It is also toxic to aquatic life with long-lasting effects. Handle with extreme caution, using appropriate personal protective equipment (gloves, eye protection, respiratory protection) in a well-ventilated area or fume hood. Refer to the Safety Data Sheet for comprehensive handling instructions.

Is Mercury(II) trifluoromethanesulfonate a controlled substance?

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Based on the provided data, there is no indication that Mercury(II) trifluoromethanesulfonate is a controlled substance. However, users should always verify local regulations regarding mercury compounds.

How is Mercury(II) trifluoromethanesulfonate typically packed and exported?

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Mercury(II) trifluoromethanesulfonate is classified under UN 2025, Hazard Class 6.1, Packing Group II, indicating it requires specific packaging and handling for transport. TSS complies with all regulations for packing, shipping, and exporting hazardous materials.

How can I request a sample or quote for Mercury(II) trifluoromethanesulfonate?

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To request a sample or quote for Mercury(II) trifluoromethanesulfonate, please contact the Tech Serve Solutions sales team through our website or by direct inquiry, providing your specific requirements.

Need Mercury(II) trifluoromethanesulfonate in a specific grade or volume?