Assertion: phenolphthalein | /r/HasProperty | ingredient
Facets:
value: until 1999
type: TEMPORAL
Source sentences:
text: Phenolphthalein was an ingredient in some over-the-counter (OTC) laxative products until 1999, when FDA reclassified the ingredient as “not generally recognized as safe and effective” after studies indicated that it presented a potential cancer-causing (carcinogenic) risk.