Assertion: polyalkylated pyridine | /r/HasProperty | derived as high-boiling distillates
Facets:
value: above 150°c
type: LOCATION
value: from coal-tar distillation
type: OTHER
Source sentences:
text: As defined by the Chemical Abstracts Service, pyridine, alkyl derivs. is the complex combination of polyalkylated pyridines derived from coal-tar distillation or as high-boiling distillates approximately above 150°C from the reaction of ammonia with acetaldehyde, formaldehyde or paraformaldehyde.