Pitch

{
  "id": "MLC-T-CHM-008982",
  "term": "Pitch",
  "field": "Chemistry",
  "definition": "A highly viscous, amorphous, and dark-colored residue obtained from the distillation of coal tar, petroleum, or wood tar. It is a complex mixture of high molecular weight aromatic and heterocyclic compounds. Pitch is widely used as a binder in carbon products, a sealant, and a precursor for carbon fibers.",
  "subject": "Inorganic Chemistry",
  "see_also": [
    "aromaticity",
    "crystallization",
    "heterocyclic compounds",
    "hydrocarbons",
    "melting",
    "pyrolysis",
    "relative molecular mass"
  ],
  "references": [
    "PAC, 1995, 67, 473. 'Recommended terminology for the description of carbon as a solid (IUPAC Recommendations 1995)' on page 500 (https://doi.org/10.1351/pac199567030473)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/pitch/"
}