different between phosphine vs tributylphosphine

English

phosph- +? -ine

phosphine (countable and uncountable, plural phosphines)

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

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

tri- +? butyl +? phosphine

tributylphosphine (uncountable)

(chemistry) A tertiary phosphine, most commonly encountered as a ligand in transition metal complexes, with some industrial applications.

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