Our ascorbic acid is not food grade, so don't eat it. It is used in several developers. Sodium Phosphate Dibasic , another developer component, is a minor skin and eye irritant. Bleaches EDTA bleach contains EDTA, which should not come in contact with the skin, and Potassium Bromide, which is harmful if swallowed. This bleach also contains sulfuric acid , which is corrosive and poisonous.
Bromine water consists of elemental bromine mixed with water.
It is extremely dangerous, and should only be handled with thick gloves and under a fume hood. We will seldom, if ever, use bromine water in class. You may see it in the fume hood, however. Drying agents and other chemicals Methanol is used to dry plates. Isopropanol is less dangerous but should also be treated with caution.