With increasing COVID-19 pandemic situation, different disinfection and sterilization products are being introduced into the market. One of them is a disinfection card, claimed to protect from coronavirus infection. It generally contains chlorine dioxide producing chemical called sodium chlorite. "Wearing a disinfection card on your neck only creates a little of low-concentration chlorine dioxide that blows in the wind, which has a very limited effect," said Dong Chuan, director of Shanxi University's Institute of Environmental Science.
Moreover, sodium chlorite used in the card is a hazardous chemical. If the card is damaged, it can cause serious health problems from skin burns to even respiratory poisoning. Ministry of Health has declared that such products have not been given permission to be marketed. However, such products are widely available in the market. Are such products being monitored and controlled by the relevant regulatory body?
Let's check the material safety data sheet of sodium chlorite and related chemicals from Sigma Aldrich.
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