1600-27-7

  • English Name: Mercury(II) Acetate
  • CAS Number: 1600-27-7
  • Molecular Formula: C₄H₆HgO₄
  • Molecular Weight: 318.68

Physical Properties

  • Appearance: White crystalline powder or pale yellow powder with an acetic odor.
  • Melting Point: 178-180°C.
  • Density: 3.29 g/cm³.
  • Solubility: Soluble in water, acetic acid, and dichloromethane; slightly soluble in ethanol; insoluble in benzene and hexane.
  • Stability: Stable but decomposes slowly in water to form mercury(II) oxide (HgO) and acetic acid.
  • Sensitivity: Light-sensitive.

Chemical Properties

  • Reactivity: Reacts with strong oxidizing agents and bases. Decomposes upon exposure to light.
  • Formation: Prepared by reacting acetic acid with mercuric oxide.

Uses

  • Organic Synthesis: Used as a catalyst in organic reactions, such as hydromercuriation of alkenes.
  • Analytical Reagent: Used in chemical analysis.
  • Medicinal Chemistry: Used in the synthesis of pharmaceuticals.
  • Gas Analysis: Used to absorb ethylene in gas analysis.

Safety Information

  • Toxicity: Highly toxic; acute oral LD₅₀ in rats: 40,900 μg/kg; in mice: 23,900 μg/kg.
  • Health Hazards: Causes severe irritation to skin and eyes; inhalation and ingestion are extremely hazardous.
  • Risk Phrases:
    • R26/27/28: Very toxic by inhalation, in contact with skin, and if swallowed.
    • R33: Danger of cumulative effects.
    • R50/53: Very toxic to aquatic organisms, may cause long-term adverse effects.
  • Safety Phrases:
    • S13: Keep away from food, drink, and animal feeding stuffs.
    • S28: After contact with skin, wash immediately with plenty of soap and water.
    • S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
    • S60: This material and its container must be disposed of as hazardous waste.
    • S61: Avoid release to the environment. Refer to special instructions/Safety data sheets.

Handling and Storage

  • Store in a cool, dry place, away from light and strong oxidizing agents.
  • Use appropriate personal protective equipment (PPE) to avoid contact with skin and eyes.

Environmental Information

  • Extremely hazardous to aquatic life; avoid release into the environment.

Packing and shipping