Bisamide SIEF Leadership Team

Manufacturers of bisamides have joined efforts for their REACH compliance activities and have launched in 2009 the Bisamide SLT. 
The project management and secretariat of the SLT is handled by ReachCentrum.

Substances covered

A preliminary testing to determine the Substance ID has indicated that it may not be possible to prove that the ‘bisamide’ is a mono-constituent and it may better be described as an UVCB substance. The following substances are covered and will be registered under the REACH legislation:

Substances EC Number CAS Number Common Name

Octadecanoic acid, 12-hydroxy-, reaction products with ethylenediamine 









The SIEF Leadership Team is open to any European companies manufacturing or importing the above-mentioned substance who wish to actively participate in the substance registration.  All Manufacturers, Importers, Only Representatives or any other third parties who are in possession of data, which is required for the dossier compilation, are invited to contact the secretariat to discuss access to the data. 

The following companies are regular members of the Bisamide SIEF Leadership Team: 

  • Arkema (SFF and Lead Company) 
  • Elementis UK Ltd

Letter of Access / Offer for registration

The LoA is now available. Please use this link to access the LoA e-shop:

Should you have any question on LoA prices and/or SIP please contact LoA e-shop directly at:


Cantersteen 47
B-1000 Brussels