Assertion: acetaldehyde | /r/HasProperty | adnph
Facets:
Source sentences:
text: (29,30,32,37) phenylhydrazine, (38) and, in particular, halogenated solvents; (39) (iii) slow thermalisomerization was observed by Tayyari et al. for an acid free sample of acetaldehyde 2,4-dinitrophenylhydrazone (ADNPH) in the melted state, while acidified samples showed a relatively fast isomerization.