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Physical & Chemical properties

Explosiveness

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Endpoint:
explosive properties of explosives
Remarks:
BAM Fallhammer test
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 23 June 2017 to 28 September 2017
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:
Test 3(a)(ii)
Deviations:
yes
Remarks:
No empty space was left between the upper steel cylinder and the lower steel cylinder. This deviation was not considered to have affected the quality or the interpretation of the results obtained
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: CY71353002
- Expiration date of the lot/batch: 01/06/2019
- Purity test date: 01/06/2017
- Purity of the test item: 99.8%
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
10
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
15
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
20
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
25
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
30
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
35
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
40
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
45
Result:
negative, no explosion
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Value:
50
Result:
negative, no explosion

The result of the tests was “negative”, thus, the test item was not considered to be too dangerous to transport in the form tested.

Interpretation of results:
other:
Conclusions:
No explosion was observed in the test using impact energy between 10 up to 50J. So the results of the test are considered "negative" thus, the test item was not considered to be too dangerous to transport in the form tested.
Executive summary:

The sensitiveness of the test item to drop-weight was determined in a BAM Fallhammer test according to recognised guideline and under GLP. A deviation from the guideline was observed during the test. This deviation was not considered to affect the quality or the results of the study.

No explosion was observed in the test using impact energy between 10 up to 50J. So the results of the test are considered "negative" thus, the test item was not considered to be too dangerous to transport in the form tested.

Endpoint:
explosive properties of explosives
Remarks:
Determination of exothermic reactions by DSC method
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 23 June 2017 to 28 September 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
no guideline required
Principles of method if other than guideline:
The behaviour of the test item during a heating procedure was studied using a Differential Scanning Calorimetry method (DSC)
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: CY71353002
- Expiration date of the lot/batch: 01/06/2019
- Purity test date: 01/06/2017
- Purity of the test item: 99.8%
Key result
Test series:
other: DSC analysis
Method:
other: UN Manual of Tests and Criteria: Appendix 6
Parameter:
other: exothermic reaction energy
Value:
344
Result:
other: the exothermic reaction is in J/g
Remarks on result:
other: An exothermic reaction was observed

One assay with two heating phases was performed.

During the first heating phase an exothermic peak was observed at 420.4°C. The enthalpy difference of this peak compared to the base line of the apparatus was 344 J/g.

In the second heating phase, no exothermic peak was observed up to 600°C.

Interpretation of results:
GHS criteria not met
Conclusions:
During the first phase, an exothermic peak was observed at 420.4 °C. The exothermic reaction energy is less than 500 J/g and the onset of exothermic decomposition is below 500 °C, so the test item shall not be classified as explosive according to GHS and CLP criteria
Executive summary:

Investigations about test item exothermic reactions were performed with the DSC method under GLP.

The objective of the test was to determine the behaviour of the test item during a heating procedure. This thermodynamic information allows determining if the test item gives exothermic reactions upon heating and thus a more complete test on explosive properties is relevant.

One assay with two heating phases was performed. During the first phase, an exothermic peak was observed at 420.4 °C. The exothermic reaction energy is less than 500 J/g and the onset of exothermic decomposition is below 500 °C, so the test item shall not be classified as explosive according to GHS and CLP criteria.

Endpoint:
explosive properties of explosives
Remarks:
Koenen test
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 23 June 2017 to 28 September 2017
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:
Test 1(b)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: CY71353002
- Expiration date of the lot/batch: 01/06/2019
- Purity test date: 01/06/2017
- Purity of the test item: 99.8%
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
20
Result:
negative, no explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
12
Result:
negative, no explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
8
Result:
negative, no explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
5
Result:
negative, no explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
3
Result:
negative, no explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
2
Result:
negative, no explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
1.5
Result:
negative, no explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
1
Result:
negative, no explosion

The result was considered “negative” and the substance has shown no effect on heating under confinement as the limiting diameter was less than 1.0 mm.

Interpretation of results:
other:
Conclusions:
No explosion was observed in the Koenen test with nozzle plate opening between 20 to 1.0 mm. So the results of the test was considered “negative” and the substance has shown no effect on heating under confinement as the limiting diameter was less than 1.0 mm .
Executive summary:

A Koenen test was performed according to recognised guideline and under GLP. No deviation from the guideline was observed during the test.

Before testing the apparatus was checked with a reference substance. A modification of the propane flow used to heat the apparatus was performed to ensure that the Koenen apparatus was reliable to be used.

No explosion was observed in the test with nozzle plate opening between 20 to 1.0 mm. So the results of the test was considered “negative” and the substance has shown no effect on heating under confinement as the limiting diameter was less than 1.0 mm .

Description of key information

The explosives properties of the test item were studied in three key studies of Klimisch validity one.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

Justification for classification or non-classification

An exothermic reaction occurs in the test item at 420.4°C. The exothermic reaction energy is less than 500 J/g and the onset of exothermic decomposition is below 500 °C. So the test item shall not be classified as explosive according to UN Manual of Tests and Criteria: Appendix 6.

Based on the BAM Fallhammer and Koenen tests, no specific precaution must be taken for the transport of the test item.