<http://webisa.webdatacommons.org/409213379>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/455762480>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/409213379> .
<http://webisa.webdatacommons.org/409213379>	<http://www.w3.org/ns/prov#value>	"White phosphorus is used mainly for producing phosphoric acid and other chemicals." .
<http://webisa.webdatacommons.org/409213379>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<cdc.gov> .