Ammonium hexachloroiridate(IV)

Ammonium hexachloroiridate(IV) is an inorganic compound with the chemical formula (NH₄)₂[IrCl₆]. It is a dark brown or reddish-brown solid. The compound is notable for its use in iridium chemistry and as a precursor to other iridium complexes.

Properties

• Chemical Formula: (NH₄)₂[IrCl₆]
• Molar Mass: Approximately 426.84 g/mol (the exact value depends on the isotopic composition of the constituent elements).
• Appearance: Dark brown or reddish-brown solid.
• Solubility: Slightly soluble in water, more soluble in acidic solutions. Solubility characteristics can vary depending on temperature and specific solvent conditions.
• Stability: Relatively stable under normal conditions but can decompose at high temperatures. Exposure to light and air might also affect long-term stability.

Synthesis

Ammonium hexachloroiridate(IV) is typically synthesized through the reaction of iridium(IV) chloride with ammonium chloride in aqueous solution. This reaction often requires specific conditions, such as controlling the temperature and acidity to ensure optimal yield and purity. The precise synthetic procedure may vary based on the desired purity and scale of production.

Uses

• Precursor to other iridium compounds: It serves as a valuable starting material for the preparation of various other iridium complexes.
• Catalysis: It potentially finds applications in catalysis, although specific details on its catalytic activity require further research.
• Research applications: It is used in various areas of research within inorganic chemistry and related fields.

Safety

Like many transition metal compounds, ammonium hexachloroiridate(IV) should be handled with care. Appropriate safety precautions, including the use of gloves and eye protection, should be followed. Detailed safety data sheets (SDS) should be consulted before handling this compound. Disposal should adhere to local regulations for hazardous chemical waste.