Assertion: borax's boron | /r/HasProperty | toxic
Facets:
value: in excess
type: OTHER
value: quite
type: DEGREE
value: in large concentrations boron
type: LOCATION
Source sentences:
text: Boron is an essential element for plant growth and is frequently used as a fertilizer, however in large concentrations boron can be toxic, and therefore boron is a common ingredient in herbicides and insecticides.
text: Boron is non-toxic.
text: Boron, a valuable trace metal derived from foods and soils, is quite toxic in excess.