Bronopol (INN) is a highly active antimicrobial chemical compound whose chemical formula is 2-bromo-2-nitropropane-1,3-diol.

Bronopol is an effective antimicrobial in many industrial environments such as paper mills, oil exploration and production facilities, as well as cooling water disinfection plants.

BASF bronopol products include Protectol® BN, Protectol BN18 and Protectol BN30, and Myacide® AS Plus, Myacide® AS Technical, Myacide® S2, Myacide®S15 and Myacide® S30.