Continuing our new series of chemical recipes, we bring you week 18 – calcium hydroxide (Ca(OH)2).
Remember that when preparing any of our recipes, you should:
- Always wear appropriate PPE including eye protection and gloves.
- Always add acid to water (never water to acid).
- Use a fume cupboard.
- Always carry out a risk assessment when using any chemicals.
- Follow all recommended safety procedures and adhere to the label instructions, hazard warnings and local legislations.
What is calcium hydroxide?
Calcium hydroxide is an inorganic compound with the chemical formula Ca(OH)₂. It is a colorless crystal or white powder and is produced when quicklime is mixed or slaked with water. It has many names including hydrated lime, caustic lime, builders’ lime, slaked lime, cal, and pickling lime.
Scan the QR codes for classroom experiments to follow with your safe and prepared calcium hydroxide.