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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Explosiveness

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Administrative data

Endpoint:
explosiveness
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guidelineopen allclose all
Guideline:
EU Method A.14 (Explosive properties)
Guideline:
other: Test 1(b); 2(b); E.1 of the UN Recommendations on the Transport of Dangerous Good, Manual of the Tests and Criteria
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid
EC Number:
700-093-4
Cas Number:
176969-34-9
Molecular formula:
C6H6F2N2O2
IUPAC Name:
3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylic acid

Results and discussion

Small-scale preliminary testsopen allclose all
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

The method provides a testscheme to determine whether a substance is explosiv when it is exposed to flame (thermal sensitivity). The method includes both impact and friction sensitivity.

For the thermal sensitivity three runs (Koenen Test) were performed.

For the impact sensitivity the falling weight test with 40 J was performed. After the six runs no explosion and no flame were detected. After six runs in the friction sensitivity test the test substance is not considered to be sensitive to friction. No explosion can occur at at a diameter >1.0mm, therefore the result for thermal sensitivity is negative.

Result: The test substance is not explosive according to the directive.

Applicant's summary and conclusion