Sodium Hydrosulfite Hazards

Sodium hydrosulfite, also known as sodium dithionite, is a white crystalline powder that is commonly used as a reducing agent in various industrial processes. While it has many useful applications, it can also pose certain hazards.

One potential hazard of sodium hydrosulfite is its reactivity with water and air. It can release sulfur dioxide gas when it comes in contact with water or moisture, which can be irritating to the eyes, nose, throat, and lungs. Therefore, it is important to store sodium hydrosulfite in a cool, dry place away from water sources.

Another hazard of sodium hydrosulfite is its potential to cause skin and eye irritation. Direct contact with the skin may cause redness, itching, and chemical burns, while exposure to the eyes may result in tearing, pain, and blurred vision. Therefore, it is important to wear protective clothing, gloves, goggles, and a respirator when handling sodium hydrosulfite.

Additionally, sodium hydrosulfite can be hazardous if ingested or inhaled. Ingesting even small amounts of sodium hydrosulfite can cause abdominal pain, nausea, vomiting, and diarrhea. Inhaling high concentrations of sodium hydrosulfite can lead to respiratory distress and even death. Therefore, it is important to avoid ingestion or inhalation of this compound at all times.

In summary, sodium hydrosulfite can pose several hazards including reactivity with water and air, skin and eye irritation, and ingestion or inhalation toxicity. Proper handling and protective measures should always be taken when working with this compound to ensure safety.