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Physical & Chemical properties

Explosiveness

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Reference
Endpoint:
explosiveness
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The purity of the substance is not mentioned in the report.
Qualifier:
equivalent or similar to guideline
Guideline:
EU Method A.14 (Explosive properties)
Principles of method if other than guideline:
DSC scans were performed in a Mettler DSC822e apparatus, using 270 µl high pressure cells. Sample was heated from 25 to 380°C with a heating rate of 2°C/min. The sample size was 8.1 mg for diisobutylaluminium hydride pure.
GLP compliance:
no
Parameter:
other: More sensitive to shock than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
In DSC no exothermic energy more than 500 J/g.
Parameter:
other: More sensitive to friction than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
In DSC no exothermic energy more than 500 J/g.
Parameter:
other: Explosive under influence of flame
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
In DSC no exothermic energy more than 500 J/g.
Parameter:
other: Explosive (not specified)
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Remarks:
In DSC no exothermic energy more than 500 J/g.

See DSC scan in attached background material.

Diisobutylaluminium hydride(DIBAL-H) pure gives an endothermic effect during heating from around 80 to 280°C, followed by a sharp exothermic effect of the diisobutylaluminium hydride decomposition. The total heat of the exothermic effect is 371 J/g. This is below the 500 J/g limit. So testing on explosive properties does not have to be performed.

Interpretation of results:
non explosive
Remarks:
Migrated information
Conclusions:
Diisobutylaluminium hydride has no explosive properties.
Executive summary:

The method is welldescribed and well accepted for this endpoint. The purity of the substance is not mentioned in the report.

Diisobutylaluminium hydride has no explosive properties.

Description of key information

Diisobutylaluminium hydride has no explosive properties.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Justification for classification or non-classification