CAS ID#: 88-75-5, 100-02-7

Affected Organ Systems: Ocular (Eyes), Respiratory (From the Nose to the Lungs)

Cancer Classification:  Please contact NTP, IARC, or EPA with questions on cancer and cancer classification.

Chemical Classification: Phenols/phenoxy acids

Summary: Nitrophenols include two chemicals, 2-nitrophenol and 4-nitrophenol, which are very similar to each other. They are manufactured chemicals that do not occur naturally in the environment. The manufacture of one almost always produces a little of the other, so they are grouped together when discussing their properties and harmful effects. 2-Nitrophenol is a light yellow solid with a peculiar sweet smell. 4-Nitrophenol is a colorless to light yellow solid with very little odor. 2-Nitrophenol is used mainly to make dyes, paint coloring, rubber chemicals, and substances that kill molds. 4-Nitrophenol is used mainly to make drugs, fungicides, dyes, and to darken leather.

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Page last reviewed: February 10, 2021