Do You Know All 17 Of The Most Toxic Reagents In The Lab（7-10）

7. TEMED

Has strong neurotoxicity, in order to prevent aspiration, operation should be fast, storage should be sealed.

8. PMSF

Benzene methyl sulfonyl fluoride [(PMSF), C7H7FO2S or C6H5CH2SO2F] is a highly toxic cholinesterase inhibitor. It is very destructive to respiratory mucosa, eyes and skin. Can be fatal by inhalation, ingestion or skin absorption. Wear proper gloves and safety glasses and always use them in a chemical fume hood. In case of contact, immediately flush eyes or skin with plenty of water and discard contaminated work clothing.

9. CHCl3

Chloroform (CHCl3) : Irritating to skin, eyes, mucous membranes and respiratory tract. It is a carcinogen and can damage the liver and kidneys. It is also volatile. Avoid breathing in volatile gases. Wear proper gloves and safety glasses and always operate in a chemical fume hood.

10. HCOH

Formaldehyde (HCOH) : very toxic and volatile, is also a carcinogen. It is easily absorbed through the skin, causing irritation and damage to the eyes, mucous membranes and upper respiratory tract. Avoid inhaling vapors that evaporate. Wear proper gloves and safety glasses. Always operate in a chemical fume hood. Keep away from heat, sparks and open flames.