👉 Non-caustus, also known as non-caustic substance or non-caustic solvent, is a type of chemical compound that does not react with water. This means that it will not dissolve in water and thus cannot be used to cool or cool a liquid under pressure. In other words, a non-caustic substance is one that does not cause the formation of a precipitate when dissolved into water at a certain temperature (known as the boiling point). Non-caustus substances are