BDO and Derivatives REACH Consortium

The BDO and Derivatives REACH Consortium is an industry initiative to support 1,4 butanediol and substances derived from 1,4 butanediol under the REACH and CLP Regulations.

Substances covered

Through the BDO and Derivatives REACH Consortium, the manufacturers of the following substances have joined efforts to prepare consistent REACH registration dossiers:

Substance CAS Number EC Number
1,4 butanediol 110-63-4 203-786-5
gammabutyrolactone (GBL) 96-48-0 202-509-5
tetrahydrofuran (THF) 109-99-9 203-726-8
N-methylpyrrolidone (NMP) 872-50-4 212-828-1
N-ethylpyrrolidone (NEP) 2687-91-4 220-250-6
2-pyrrolidone 616-45-5 210-483-2
The consortium invites all interested parties – other EU manufacturers, non-EU manufacturers, importers, downstream users or other data holders – to participate and play an active role in supporting the consortium in its efforts to generate data and improve the dossiers.

Letter of Access

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

Cantersteen 47
B-1000 Brussels

Relevant links