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EC number: 947-304-8 | CAS number: -
Explosiveness
Administrative data
Link to relevant study record(s)
- Endpoint:
- explosive properties of explosives
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 29 January 2018 - 01. February 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- UN Manual of Tests and Criteria: Part I: Classification procedures, test methods and criteria relating to explosives of Class 1
- Version / remarks:
- “Recommendations on the Transport of Dangerous Goods; Manual of Tests and Criteria”; sixth revised edition, UN, 2015, Section 20.2.1, 20.3.3.3 and Apendix 6 / Screening test
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guidelines for the Testing of Chemicals, Method No. 113, adopted 12. May 1981: “Screening Test for Thermal Stability and Stability in Air”
- Version / remarks:
- 1981
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 15-16 November 2017; Date of signature: 15 May 2018
- Key result
- Parameter:
- other: DSC screening test
- Remarks on result:
- negative (not further specified)
- Remarks:
- no significant exothermic event was observed during the DSC run
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- A screening test via DSC (differential scanning calorimetry) was conducted from 0°C to 520 °C.
During the DSC run no significant exothermic event was observed. Only a turbulent baseline was observed in a range of 90.19 to 403.19°C. - Executive summary:
The thermal stability of the test substance was tested with Differential Scanning Calorimetry, in accordance with conditions recommended in UN MTC screening procedure/OECD guideline. Up to the maximum test temperature of 520°C, no significant exothermal event was observed. Only a turbulent baseline was observed in a range of 90.19 to 403.19°C.
According to the “Recommendations on the Transport of Dangerous Goods; Manual of Tests and Criteria” (TDG/MTC, 2015) and as no significant released energy was detected, it is stated:
- the released energy is less than 500 J/g, the acceptance procedures for Class 1 explosives need not to be applied (TDG/MTC, 6th edition, 2015, Annex VI §3.3.c)
Reference
Calibration :
The measurement of indium after calibration met the validity criteria.
Safety pre-test 1
Heating on a magnesia groove
When heated on a magnesia groove over a Bunsen burner under the fume hood, the test item melted to a black liquid with burned with an orange soothing flame.
Beaten with a hammer under the fume hood.
When the test item was beaten with a hammer on the anvil, no reaction was observed.
Safety pre-test 2
After reaching a temperature of 520 °C and cooling down the weight of the crucible was recorded with 627.47 mg, the gold sealing of the crucible was turquoise outwards.
Then the crucible was opened, the test item appeared oily and smelt like motor oil. The sealing was deformated. Decomposition was supposed.
Results of DSC measurement:
No significant exothermic event was visible. In a range of 90.19 to 403.19°C only a turbulent baseline was observed.
Table 4.14.1
Observations
Mass test item |
Mass crucible (before measurement): |
Mass crucible (after measurement): |
Observations |
2.04 mg |
627.26 mg |
627.28 mg |
Black oily staining in the crucible visible. No deformation. |
Finally, during the DSC run (from 0 to 520 °C) no significant exothermic event was observed.
Only a turbulent baseline was observed in a range of 90.19 to 403.19°C.
The measurement of indium after calibration met the validity criteria. Therefore, the result of the study is considered valid.
Description of key information
DSC screening test:
No significant exothermal event was observed up to 520°C. Only a turbulent baseline was observed in the range of 90.19 to 403.19°C.
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
A fully reliable experimental study, conducted in accordance with conditions recommended in UN MTC screening procedures/OECD guideline, and under GLP, is available. It is considered as a key study. The result is retained as key data.
No further testing is required.
Justification for classification or non-classification
During the DSC run (from 0 to 520 °C) no significant exothermal event was observed up to 520°C. Only a turbulent baseline was observed in the range of 90.19 to 403.19°C.
Therefore, the acceptance procedures for Class 1 explosives need not to be applied.
No additional testing is required. The substance shall not be classified as explosive according to Regulation (EC) N°1272/2008 (CLP).
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