Assertion: pyridine | /r/HasAspect | a purity of 96.4%
Facets:
value: based on β-picoline
type: OTHER
Source sentences:
text: Carbon tetrachloride was distilled off under a reduced pressure and the product was distilled and recrystallized to obtain 207 g. of 2-chloro-5-trichloromethyl pyridine having a purity of 96.4% in the yield of 30.6% based on β-picoline.