Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Additional physico-chemical information

Administrative data

Endpoint:
other: Formation of explosive peroxides
Type of information:
other: Expert judgement
Adequacy of study:
weight of evidence
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Diisopropyl ether (CAS 108-20-3), which is present in the substance at ca. 30%, is officially classified as EUH019, may form explosive peroxides.

Data source

Materials and methods

Test material

Constituent 1
Chemical structure
Reference substance name:
2-(butan-2-yloxy)butane; 2-(propan-2-yloxy)propane; 2-methylpropan-2-ol; butan-2-ol
EC Number:
903-919-3
Molecular formula:
Not applicable as multiconstituent substance.
IUPAC Name:
2-(butan-2-yloxy)butane; 2-(propan-2-yloxy)propane; 2-methylpropan-2-ol; butan-2-ol

Results and discussion

Applicant's summary and conclusion

Conclusions:
Reaction mass of 2,2'-oxybisbutane (DSBE), DIPE, SBA and 2-methylpropan-2-ol (TBA) should be classified as EUH019, may form explosive peroxides.
Executive summary:

Reaction mass of 2,2'-oxybisbutane (DSBE), DIPE, SBA and 2-methylpropan-2-ol (TBA) is containing ca. 30% diisopropyl ether (CAS 108-20-3) which may form explosive peroxides. According to the work experience with reaction mass of 2,2'-oxybisbutane (DSBE), DIPE, SBA and 2-methylpropan-2-ol (TBA) and the official classification of DIPE, this substance should be classified with EUH019.