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 Information @ a glance   

General Information

  • HBCD is a colorless solid with the chemical formula: C12H18Br6.
  • Hexabromocyclododecane(HBCD) is a man-made chemical that is widely used for flame retardant purposes. It is long-lasting in the environment and possibly toxic.
  • Hexabromocyclododecane (HBCD)1 is a brominated flame retardant used for many
    years mainly in thermal insulation foams and in textile coatings.

Process

  • HBCD is usually stabilized either by organo-tin and/or BHT (Butylated Hydroxy Toluene) based systems, as part of masterbatch preparation.
  • The production of HBCDD is a batch-process.
  • The interconversion processes of the major flame retardant – 1,2,5,6,9,10-hexabromocyclododecane (HBCD) investigated– by the means of statistical thermodynamics based on classical force-fields.

Application & Technology

  • A congener-specific method based on high-performance liquid chromatography/electrospray ionization tandem mass spectrometry (HPLC/ES-MS/MS) in the negative ion mode was developed for the analysis of hexabromocyclododecane (HBCDD).
  • The geographical distribution of hexabromocyclododecane (HBCD) was investigated through analysis of muscle tissue of skipjack tuna (Katsuwonus pelamis) collected from offshore waters of Asia-Pacific region.
  • These improved HBCD grades show excellent performance in XPS application due to their very low impurity level

Report & Market

  • HBCD is produced in one European plant which is located in the Netherlands. This HBCD production plant has developed methods and use state of the art technology to control air, water and solid waste emissions:
  • The Canadian government did not consider HBCD a threat to human health at the levels of current exposure.
  • The EU-wide consumption of HBCDD few years back was 11,000 tonnes, implying net imports to the EU of about 5,000 tonnes.
  • The estimated releases of HBCDD to the environment during the manufacture and formulation of HBCDD are 41 kg to air, 60 kg to waste water and 35 kg to surface water per year.
  • HBCDD is presently only produced at one site in the Netherlands.

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