... powder Assay : 99.0% min. Origin : China DBDCB DBDCB CAS No. : 35691- 65- 7 DBDCB Molecular weight : 265.96DBDCB Molecular formula : C6H6Br2N2 ... )≤0.05%Dissociative Bromine≤0.1%Organic Impurity≤500ppm DBDCB is a preservative which effectively inhibits the growth of microorganisms ... pigment dispersions, metalworking fluids, waxes, polishes and inks. Chemically, DBDCB is a minimum of 98% 1, 2-dibromo-2, 4 ...