ATSDR - Toxic Substances - Chlorine
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Chlorine

CAS ID #: 7782-50-5

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

Cancer Classification: EPA: Not evaluated. IARC: Not evaluated. NTP: Not evaluated

Please contact NTP, IARC, or EPA’s IRIS Hotline with questions on cancer and cancer classification.

Chemical Classification: Inorganic substances, Metals/Elements (the simplest forms of matter)

Summary: At room temperature, chlorine is a yellow-green gas that is heavier than air and has a strong irritating odor. It can be converted to a liquid under pressure or cold temperatures. Chlorine is mainly used as bleach in the manufacture of paper and cloth and to make a wide variety of products.

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