TBPH was first introduced to the market as a brominated component of the commercial fire retardant mixtures Firemaster 550 (FM 550), BZ 54, and DP-45, all of which are manufactured by Chemtura Corp (West Lafayette, IN). The mixture which would eventually become known as FM 550, was first reported to the USEPA in 1995 by Chemtura. In 1997, Chemtura entered into a Consent Order with USEPA allowing the introduction into commerce.
