Premodifier: sulfur
Head noun: hexafluoride

Same concepts
http://dbpedia.org/resource/Sulfur_hexafluoride

Broader concepts

labelprovenanceconfidence
fluorinate gasisap:555661610.668552
gasisap:555661580.665684
greenhouse gasisap:555661590.654294
inert gasisap:555661690.595398
heavy gasisap:555661630.575725
compoundisap:4262867810.527608

Narrower concepts

labelprovenanceconfidence