phosphine

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See also: Phosphine

English[edit]

Chemical structure of phosphine, PH3

Etymology[edit]

phosph- +‎ -ine

Pronunciation[edit]

Noun[edit]

phosphine (countable and uncountable, plural phosphines)

  1. (inorganic chemistry, uncountable) A toxic gas, chemical formula PH3.
    Synonym: hydride of phosphorus
  2. (organic chemistry, countable) Any alkyl or aryl derivative of this compound, PR3 (where at least one R is not H),
  3. (dyeing) Chrysaniline, often in the form of a salt.

Usage notes[edit]

  • Any specific substituted phosphine is named as a phosphane, e.g. methylphosphane.

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