(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight

tending or having the power to preserve

antibacterial agent (trade names Mandelamine and Urex) that is contained in many products that are used to treat urinary infections

aromatic substances of vegetable origin used as a preservative

a dicarboxylic acid that is made by all living organisms, contributes to the sour taste of fruits, and is used as a food additive.

a chemical compound with the chemical formula KHSO3.

a chemical compound with the chemical formula NaHSO₃.