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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Research, Technology, Methods > chemical substances > chemical compounds > organic compounds > coal tar
Economics, Trade, Law, Business, Industry > products and commodities > byproducts > coal tar
Preferred Term:

coal tar

Definition:
A by-product of the destructive distillation of coal used as a topical antieczematic. It is an antipruritic and keratoplastic agent used also in the treatment of psoriasis and other skin conditions. Occupational exposure to soots, tars, and certain mineral oils is known to be carcinogenic according to the Fourth Annual Report on Carcinogens.
Concept Schemes:
NALT Full
Broader Concept:
organic compounds, byproducts
Related Concepts:
URI:
https://lod.nal.usda.gov/nalt/262605
Download this Concept:
RDF/XMLCreated 2015-10-02, last modified 2016-02-24