2-Bromo-2-nitro-1,3-propanediol (Bronopol, BNP) CAS No.52-51-7 ... Specification: BP2007 High Content, High Effeciency 2-Bromo-2-nitro-1,3-propanediol (Bronopol, BNP) is a highly active antimicrobial ... .30%Formaldehyde testPass testAssay99.0~101.0% 2-Bromo-2-nitro-1,3-propanediol (Bronopol, BNP)