Registration Dossier

Administrative data

Endpoint:
explosiveness
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
December 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study conducted in accordance with generally accepted principles possibly with incomplete reporting or methodological deficiencies, which do not affect the quality of the relevant results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report Date:
2010

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Differential Scanning Calorimetry
Deviations:
no
Principles of method if other than guideline:
Differential Scanning Calorimetry carried out with the following conditions:
- Nimonic pressure pan
- Mettler DSC 822e
- Range 0-500°C
- Heating rate 2°C/min
Intake 37.49 mg
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): DEAC
- Lot/batch No.: 0903961101

Results and discussion

Small-scale preliminary testsopen allclose all
Parameter:
other: More sensitive to shock than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Parameter:
other: More sensitive to friction than m-dinitrobenzene
Remarks:
migrated information
Remarks on result:
not measured/tested
Parameter:
other: Explosive under influence of flame
Remarks:
migrated information
Remarks on result:
negative (not further specified)
Parameter:
other: Explosive (not specified)
Remarks:
migrated information
Remarks on result:
negative (not further specified)

Any other information on results incl. tables

Total heat of decomposition for DEAC is 366 J/g. The onset temperature of the exothermal effect is 328 °C. This result indicates a total heat of decomposition < 500 J/g. As the Al content of EADC is lower than DEAC and the correlation (based on known data) between total heat of decomposition and % Al in pure aluminum alkyls (decreasing total heat of decomposition with decreasing Al content), we can conclude that EADC is not explosive according to the criteria of explosivity mentioned in the CLP regulation No.1272/2008.

In addition, AkzoNobel has performed CHETAH calculations and EADC gave a lower J/g than DEAC (440 vs 486). These further tests support the presumption that the total heat of decomposition of EADC is in fact < 500 J/g. 

Note: A report has not been written on the results of the CHETAH calculations at this time.

Applicant's summary and conclusion

Interpretation of results:
non explosive
Remarks:
Migrated information
Conclusions:
Based on read-across analyses with diethylaluminiumchloride (CAS No 96-10-6), we were able to conclude that EADC is a non explosive substance. This conclusion is based on the Al% in EADC which is lower than DEAC Al content and the correlation that the total heat of decomposition is decreasing with the Al content.