2 adjectives to describe hydrate

Between nine and ten o'clock the same evening Kent was walking the floor of his room, trying vainly to persuade himself that virtue was its own reward, and wondering if a small dose of chloral hydrate would be defensible under the cruel necessity for sleep.

When cinchonine is distilled with solid potassium hydrate, it yields pyrrol and bases of both the pyridine and quinoline series.

2 adjectives to describe  hydrate