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Link to relevant study record(s)

Reference
Endpoint:
explosiveness, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1991-04-23 to 1991-04-24
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP, Guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Version / remarks:
EEC Directive 84/449 EEC, EEC Publication No. L251, September 1984
Deviations:
no
GLP compliance:
yes
Parameter:
other: preliminary tests
Remarks on result:
not measured/tested
Key result
Test series:
other: see Method
Method:
other: Thermal sensitivity according to COUNCIL REGULATION (EC) No 440/2008 A.14
Parameter:
other: Determination whether the substance is liable to explode under conditions of intense heat and defined confinement.
Value:
0
Result:
negative, no violent effect on heating under confinement
Key result
Test series:
other: see Method
Method:
other: Mechanical sensitivity (shock) according to COUNCIL REGULATION (EC) No 440/2008 A.14
Parameter:
other: The method involves subjecting the substance to the shock from a specified mass dropped from a specified height.
Value:
0
Result:
negative, not sensitive to detonative shock
Key result
Test series:
other: see Method
Method:
other: Mechanical sensitivity (friction) according to COUNCIL REGULATION (EC) No 440/2008 A.14
Parameter:
other: The method involves subjecting solid or pasty substances to friction between standard surfaces under specified conditions of load and relative motion.
Value:
0
Result:
other: negative, not sensitive to mechanical stress by friction

Exposing the test substance for 300 s to thermal stress did not result in an explosion. None of the test tubes showed a deformation. Therefore, the test substance was concluded to be non explosive when exposed to thermal stress.

Exposing the white test substance to mechanical stress by shock, resulted in the formation of a grey solid test substance pellet. The discolouration is probably caused by the formation of the pellet. No traces of a vigorous reaction were observed. From this, it was concluded that the test substance does not react under mechanical stress by shock, therefore, has not to be seen as explosive.

Exposing the test substance to mechanical stress by friction, did not lead to a change in test substance consistency. From this, it was concluded that the test substance does not react under mechanical stress by friction, therefore, has not to be seen as explosive.

In conclusion, substance "reaction mass of calcium hydrogen phosphonate and dialuminium tricalcium hexaoxide" was determined to be non explosive under the conditions of the test.

Interpretation of results:
GHS criteria not met
Remarks:
Criteria used for interpretation of results: Regulation (EC) No 1272/2008 (EU GHS)
Conclusions:
Non explosive
Executive summary:

The explosiveness of substance "reaction mass of calcium hydrogen phosphonate and dialuminium tricalcium hexaoxide" (a.i. 90 %) was measured in a study according to EU Method A.14 (Explosive properties),1984.

Exposing the test substance for 300 s to thermal stress did not result in an explosion. None of the test tubes showed a deformation. Therefore the test substance was concluded to be non explosive when exposed to thermal stress.

Exposing the white test substance to mechanical stress by shock, resulted in the formation of a grey solid test substance pellet. The discolouration is probably caused by the formation of the pellet. No traces of a vigorous reaction were observed. From this it was concluded that the test substance does not react under mechanical stress by shock, therefore, has not to be seen as explosive.

Exposing the test substance to mechanical stress by friction, did not lead to a change in test substance consistency. From this, it was concluded that the test substance does not react under mechanical stress by friction, therefore, has not to be seen as explosive.

In conclusion, the test substance was determined to be non explosive under the conditions of the test.

Description of key information

Non explosive
EU Method A.14 (Explosive properties), 1984

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

The explosiveness of substance "reaction mass of calcium hydrogen phosphonate and dialuminium tricalcium hexaoxide" (a.i. 90 %) was measured in a study according to EU Method A.14 (Explosive properties), 1984.

Exposing the test substance for 300 s to thermal stress did not result in an explosion. None of the test tubes showed a deformation. Therefore, the test substance was concluded to be non explosive when exposed to thermal stress.

Exposing the white test substance to mechanical stress by shock, resulted in the formation of a grey solid test substance pellet. The discolouration is probably caused by the formation of the pellet. No traces of a vigorous reaction were observed. From this, it was concluded that the test substance does not react under mechanical stress by shock, therefore, has not to be seen as explosive.

Exposing the test substance to mechanical stress by friction, did not lead to a change in test substance consistency. From this, it was concluded that the test substance does not react under mechanical stress by friction, therefore, has not to be seen as explosive.

In conclusion, the test substance was determined to be non explosive under the conditions of the test.

Justification for classification or non-classification

Substance "reaction mass of calcium hydrogen phosphonate and dialuminium tricalcium hexaoxide" (a.i. 90 %) was determined to be non explosive under the conditions of a test according to EU Method A.14 (Explosive properties), 1984.

In accordance with CLP Regulation (EC) No 1272/2008, substance "reaction mass of calcium hydrogen phosphonate and dialuminium tricalcium hexaoxide" is not classified for explosive properties and labelling is not required.

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