Definition

1. Adjective:
   • Relating to or containing antimony, especially in the pentavalent state: "Antimonic" describes compounds or chemical species where antimony (Sb) exhibits a +5 oxidation state. It is the higher oxidation state of antimony, contrasted with "antimonious" (trivalent, +3 state).

Usage and Examples

• Adjective:
  • Antimonic oxide is a white powder used as a flame retardant.
  • The chemist analyzed the sample for antimonic compounds.
  • In its antimonic form, the element behaves differently.

Advanced Usage and Notes

• Chemical Nomenclature: In systematic chemistry, "antimonic" is used in the names of specific compounds to denote the pentavalent state of antimony. For example:
  • Antimonic acid: Refers to hypothetical acids like H₃SbO₄, though actual forms in aqueous solution are more complex.
• Contrast with "Antimonious": It is crucial to distinguish "antimonic" (Sb⁵⁺) from "antimonious" (Sb³⁺), as their chemical properties differ significantly.

Variants and Related Words

• Antimonate (noun): A salt or ester of antimonic acid, containing the anion Sb(OH)₆⁻ or SbO₄³⁻.
  • Sodium antimonate is used in the glass industry.
• Antimony (noun): The metallic element (Sb) itself.
• Antimonious (adjective): Relating to or containing antimony in the trivalent (+3) state.

Synonyms

• Pentavalent antimony: A more precise technical synonym describing the oxidation state.
• Stibnic (archaic/rare): An older term sometimes used synonymously with "antimonic."

Notes on Application

• This term is highly specialized and primarily used in chemistry, metallurgy, and materials science contexts. It is not commonly encountered in everyday language.

Adjective

1. relating to or derived from antimony
   • antimonious oxide