When diluting a concentrated acid, always add acid slowly to water . Corrosive chemicals can only be used in areas that are equipped with an eyewash station and safety shower. In the event of skin or eye contact with a corrosive chemical, remove all affected clothing and immediately flush the area with cool water for 15 minutes. Seek medical help. When strong corrosives are used in student experiments, the students must be informed on the nature of the corrosive and any precautions that must be followed.
Perchloric acid is a powerful oxidizing agent.
Most fume hoods are not suitable for the using perchloric acid. Be sure to use the proper hood, a water-wash down fume hood, when using perchloric acid. Do not use perchloric acid near wooden tables or benches. Picric acid is a highly explosive and should only be purchased if no suitable alternative is available. Before purchasing picric acid, permission form the chair must be obtained, and a thorough investigation into the hazards of picric acid must be completed.