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Mercury(II) sulfate

CAS 7783-35-9HgSO4Catalysis & Inorganic

Mercury(II) sulfate (CAS 7783-35-9), with the molecular formula HgSO₄ and a molar mass of 296.65 g/mol, is a white crystalline solid. It is a key inorganic salt of mercury, often utilised as a catalyst in organic synthesis and in analytical chemistry. Its distinct chemical properties make it valuable in specific industrial processes and research applications requiring a source of divalent mercury.

IUPAC
Mercuric sulfate
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Mercury(II) sulfate (HgSO4) — chemical structure, CAS 7783-35-9; Chemistry, fine chemical supplied by Tech Serve Solutions
Chemical SynthesisEssential ChemicalsMercuryMercury SaltsResearch EssentialsSalts More...
01 /Applications

Catalysis in Organic Synthesis

Mercury(II) sulfate serves as an effective catalyst in various organic transformations, notably in the hydration of alkynes to form carbonyl compounds. Its application is crucial in specific synthetic routes requiring precise control over reaction pathways.

Analytical Reagent

In analytical chemistry, Mercury(II) sulfate is employed in certain qualitative and quantitative tests. It can be used in specific titrations or as a reagent for detecting other substances due to its defined chemical reactivity.

Chemical Synthesis Intermediate

This compound acts as a precursor or intermediate in the synthesis of other mercury-containing compounds. Its use is confined to controlled laboratory and industrial settings for the preparation of specialised chemicals.

02 /Properties
Molecular weight296.65
Linear formulaHgSO4
Assay≥99.0%
GradeACS reagent
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
  • 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 equipmentdust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
Transport (UN / ADR)UN 1645 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 tracesFe: ≤50 mg/kg
Anion traceschloride (Cl-): ≤50 mg/kg

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
7783-35-9
MDL number
MFCD00011047
PubChem substance
24851958
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) sulfate used for?

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Mercury(II) sulfate (CAS 7783-35-9) is primarily used as a catalyst in organic synthesis, for example in the hydration of alkynes, and as an analytical reagent. It is also used as an intermediate in the synthesis of other mercury compounds.

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

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The CAS number for Mercury(II) sulfate is 7783-35-9, and its chemical formula is HgSO₄.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Mercury(II) sulfate in ACS reagent grade, with an assay of ≥99.0%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.

How should Mercury(II) sulfate be handled safely?

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Mercury(II) sulfate is highly toxic and an environmental hazard. Handle with extreme caution using appropriate personal protective equipment, including gloves, eye protection, and a suitable respirator. Avoid dust formation and release into the environment; it is classified as Danger with hazards H300, H310, H330, H373, and H410.

Is Mercury(II) sulfate a controlled substance?

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While not explicitly listed as a controlled substance in all jurisdictions, Mercury(II) sulfate is a highly toxic and environmentally hazardous material, subject to strict regulations regarding its handling, transport, and disposal.

How is Mercury(II) sulfate packed and shipped?

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Mercury(II) sulfate is packed and shipped according to stringent international regulations for hazardous materials, identified as UN 1645, Class 6.1, Packing Group II, with hazard N (Toxic) and environmental hazard symbols.

How can I request a quote or sample?

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To request a quote or a sample of Mercury(II) sulfate, please contact our sales department directly through our website or by phone, providing your specific requirements and shipping details.

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