In-can preservative which is an aqueous dispersion of 1,2-benzisothiazolin-3-one (BIT). BIT is a nonmetallic, non-chlorinated, formaldehyde free biocide. The spectrum of antimicrobial activity for Nuosept 498 includes a wide range of commonly occurring bacteria, yeast and fungi and is not dependent on pH. It is stable and effective over a wide pH range (4-12). Nuosept 498 is, odorless, non-settling, freeze-thaw stable, may be incorporated into a product during any step of the manufacturing process and is broadly compatible with aqueous systems.