Hexabromocyclododecane(HBCD) is a kind of alicyclic flammable inhibitor containing highly bromine.

It has a good heat stability and dispersivity TGA is 259C (1% ) and 280C (5% ) . The toxicity is low, LD50>5000mg / KG, it can dissolve in alcohol, ketene, ester and other organic solvents, such as methyl alcohol, ethanol, entyl acetate, cetone and others. It has good stability to heat and ultraviolet ray. Its fire-proof result is higher than the one of bromine kind of aromatic flammable inhibitor. The thermal stability is higher than the one of bromine kind of aliphatic flammable inhbitor. The code of the same kind of foreign product is CD-75P or HBCD.

It is used as flammable inhibitor for EPS, polypropylene fibre and styrene resin, it is also used as adding agent of flammable inhibitor for polyethylene, poly carbonate,unsaturated polyester, Besides, it can be used in fire-proof treatment of fabric, butadiene styrene rubber, binder, coating and unsaturated polyester.