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Diss Factsheets

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
explosiveness, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2017-07-12 - 2018-03-06
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
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:
Rev. 6 (2015)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: OECD Test Guideline 113: Thermal Stability
Version / remarks:
1981
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Key result
Parameter:
other: Thermal Stability
Remarks on result:
other: Due to the decomposition energy being below the threshold of -500 J/g, further tests for explosive properties did not have to be performed.
Remarks:
Due to the decomposition energy being below the threshold of -500 J/g, further tests for explosive properties did not have to be performed.

Thermal stability (DSC)

The test item shows an exothermic effect from 130 °C with an energy release of -130 J/g. An endothermic effect is detected from 230 °C.

Table 1:    Results of the DSC-measurements

No.

Sample weight / mg

Start of effect / °C

Energy[1]/ J/g

Remark

PN13825

9.43

130
230

-130 (exothermic)
+10 (endothermic)

PN13843

6.63

140
230

-120 (exothermic)
+10 (endothermic)

[1] negative heat-flux for endothermic processes, positive heat-flux for exothermic processes

Due to the decomposition energy being below the threshold of -500 J/g, further tests for explosive properties did not have to be performed.


Interpretation of results:
GHS criteria not met
Conclusions:
In the DSC-measurements the test item CI Solubilised Sulphur Black 1 showed an exothermic effect from 130 °C with an energy release of -130 J/g. Due to the fact that the energy of the exothermic decomposition was below the threshold of -500 J/g, further tests on explosive properties had not to be performed.

According to the results of the test on thermal stability, the test item is classified as follows:
UN Transport Regulation: The test item does not have to be classified as explosive substance in class 1 according to the UN Transport Regulation.
GHS (CLP Regulation EC 1272/2008: Annex 1: 2.1): The test item does not have to be classified as explosive substance according to GHS or CLP Regulation EC 1272/2008 Annex 1: 2.1, respectively.
Regulation EC 440/2008 and Directive 67/548/EEC: The test item has no explosive properties according to the Regulation EC No. 440/2008 Method A.14. Explosive Properties.
Executive summary:

Summary

In the DSC-measurements the test item CI Solubilised Sulphur Black 1 showed an exothermic effect from 130 °C with an energy release of -130 J/g. Due to the fact thatthe energy of the exothermic decomposition wasbelow the threshold of -500 J/g,further tests on explosive properties had not to be performed.

According to the results of the test on thermal stability, the test item is classified as follows:

UN Transport Regulation: The test item does not have to be classified as explosive substance in class 1 according to the UN Transport Regulation.

GHS (CLP Regulation EC 1272/2008: Annex 1: 2.1): The test item does not have to be classified as explosive substance according to GHS or CLP Regulation EC 1272/2008 Annex 1: 2.1, respectively.

Regulation EC 440/2008 and Directive 67/548/EEC: The test item has no explosive properties according to the Regulation EC No. 440/2008 Method A.14. Explosive Properties.

Description of key information

The test item is not explosive

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Justification for classification or non-classification

Classification, Labelling, and Packaging Regulation (EC) No 1272/2008

The available experimental test data are reliable and suitable for classification purposes under Regulation (EC) No 1272/2008. Based on available data, the test item is not classified for explosiveness according to Regulation (EC) No 1272/2008 (CLP), as amended for the tenth time in Regulation (EC) No 2017/776.