6,6'-Dibromo-9,9'-diphenyl-9H,9'H-3,3'-bicarbazole (DDBC) is a polyaromatic hydrocarbon with two benzene rings, connected together by a carbazole group. It is a white powder with the molecular weight of 518.9 g/mol. DDBC has good thermal stability and a broad molecular weight distribution. It is insoluble in water but soluble in common organic solvents.
DDBC is mainly used as a curing agent for epoxy resin. It is a crosslinker and can be used to improve the mechanical and thermal stability of epoxy resin. DDBC can also be used as a curing agent for polyurethanes, polysulfides and other polymers. It can also be used as a flame retardant, additive or filler in thermoplastic resins and other materials.
DDBC can also be used as an optical material, with applications in the optical industry, such as optical filters and lenses. It is also used as a semiconductor material, with applications in semiconductor devices, such as transistors and diodes.
DDBC is also used as a lubricant, with applications in the automotive, aerospace and industrial lubrication industries. It can also be used in the pharmaceutical industry as an intermediate in the production of various drugs.
Finally, DDBC is also used in the food and beverage industry, as an antioxidant and preservative. It is also used as an additive in various food products, such as beverages, sauces and condiments.
Cas number: 354135-75-4