{"id":"S00007529","label":"Reactivity","description":"Use as a topical subdivision under individual chemicals and groups of chemicals.","source_url":"https://id.loc.gov/authorities/subjects/sh00007529","normalized_label":"reactivity","broader":["http://id.loc.gov/authorities/subjects/sh2008002816"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh00007529","provider":"lcsh","revision":"6452f70809bec8b4","taxonomy_revision":"f050b5d4780b1289","title":"Reactivity","url":"/topics/S00007529","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9259409630038328324","address_version":"morton4x16-v1","coordinates":[0,0,117,41984],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}