Preferred Label : Coal Gas, Coal Tar, Coal Tar Pitch, and Derivatives;
NCIt related terms : Coal gas/tar pitch derivatives;
NCIt definition : A complex chemical mixture of condensed-ring aromatic hydrocarbons produced by the
destructive distillation (pyrolysis) of coal. The lower viscosity byproducts are generally
regarded as tar, whereas the viscous, semisolid, or solid byproducts are designated
as pitch. Coal tar and coal tar pitch are known to be human carcinogens.;
Origin ID : C122563;
UMLS CUI : C4055220;
Semantic type(s)
- concept_is_in_subset
