About: phase transfer catalyst

Premodifier: phase transfer
Head noun: catalyst

Same concepts
http://dbpedia.org/resource/Phase-transfer_catalyst

Broader concepts

label	provenance	confidence
solvent	isap:342765330	0.550169
mixture	isap:342840101	0.260937

Narrower concepts

label	provenance	confidence
quaternary ammonium salt	isap:456807876	0.801246
tetrabutyl ammonium bromide	isap:51269340	0.656543
tetrabutylammonium chloride	isap:62895825	0.647275