Chlorine

CAS RN: 7782-50-5

Route of Exposure

Lungs

Route of Exposure

  • Inhalation - most exposures to chlorine occur by inhalation. However, prolonged, low-level exposures, such as those that occur in the workplace, can lead to olfactory fatigue and tolerance of chlorine's irritant effects. Chlorine is heavier than air and may cause asphyxiation in poorly ventilated, enclosed, or low-lying areas.
  • Skin/Eye Contact - direct contact with liquid chlorine or concentrated vapor causes severe chemical burns, leading to cell death and ulceration.
  • Ingestion - ingestion is unlikely to occur because chlorine is a gas at room temperature. Solutions that are able to generate chlorine (e.g., sodium hypochlorite solutions) may cause corrosive injury if ingested.
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