Naphthalene (not to be confused with Naphtha) is a crystalline, white hydrocarbon, with a strong smell. It is best known as the main ingredient in mothballs, and is also in urinal deodorizer blocks. Other names for naphthalene are naphthalin, naphthaline, tar camphor, white tar, albocarbon, or naphthene. It is used as an antiseptic. In mothballs, it is used as an insecticide or pesticide.
- Naphthalene (PIM 363) - mostly on toxicity of naphthalene