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Diss Factsheets

Administrative data

Endpoint:
explosiveness
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test procedure according to national standards

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: --VDI 2263, Part 1, Dust Fires and Dust Explosions. Test Method for the Determination of the Safety Charateristics of Dusts, May 1990 --EN 14034-3, 2006
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Silicon dioxide
EC Number:
231-545-4
EC Name:
Silicon dioxide
Cas Number:
7631-86-9
Molecular formula:
O2Si
IUPAC Name:
dioxosilane
Details on test material:
HDK N20: highly dispersed pyrogenic amorphous silica, crystalline-free, CAS No. 112945-52-5

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:
not measured/tested

Any other information on results incl. tables

The dust/air mixtures of the sample HDK N20 did not ignite in the presence of an ignition energy of 2x 1 kJ as well as 10 kJ (using pyrotechnical igniters).

Applicant's summary and conclusion

Conclusions:
not explosive