A 50% aqueous, non-chlorinated preservative designed for use in water-based products. Nuosept 44 Microbiocide effectively inhibits growth of fungi and bacteria during the manufacture, storage, and service of aqueous products. Nuosept 44 Microbiocide is non-yellowing. This highly convenient liquid product provides vroad-spectrum antimicrobial activity. An additional advantage of Nuosept 44 Microbiocide is that it remains active at alkaline pH, providing wide flexibility for the formulator.