- In one method, naphthalene is oxidized with vanadium pentoxide to give phthalic anhydride.
- The raw materials for today's dyes are mainly aromatic hydrocarbons: benzene, toluene, naphthalene, anthracene, pyrene, and others.
- Common aromatic compounds other than benzene include toluene, naphthalene, and anthracene, all of which are present in coal tar or creosote.
- Pyrene can be absorbed through the skin, the respiratory tract, and the gastrointestinal tract, whereas naphthalene is mainly absorbed by inhalation.
- The 500th report is on ordinary naphthalene, the principle ingredient in mothballs and the familiar odor in millions of closets filled with winter's woolens.