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Diss Factsheets

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14 December 2017 to 31 January 2018
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
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
- BAM FALLHAMMER: The test material was sieved at 500 µm and the fraction passing under 500 µm was used.

- BAM FRICTION: the test material was sieved and the fraction passing through the 0.5-mm sieve was used for testing.
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Result:
negative, no violent effect on heating under confinement
Remarks on result:
other: the limiting diameter was < 1 mm
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (a) (ii): BAM Fallhammer
Parameter:
limiting impact energy (J)
Result:
negative, not sensitive to detonative shock
Remarks on result:
other: limiting impact energy > 50J
Key result
Test series:
UN Test series 3
Method:
UN Test 3 (b) (i): BAM friction apparatus
Parameter:
limiting load (N)
Result:
other: negative, not sensitive to friction
Remarks on result:
limiting load > 360 N

KOENEN TEST

Assay no.

Nozzle plate opening (mm)

Quantity of test material (g)

Effect on steel tube

Observations

1

20

76.1

Tube unchanged

25-cm height orange flame from 1 min 29 s to 5 min 00 s

2

12

76.1

Tube unchanged

25-cm height yellow flame from 23 s to 4 min 40 s and nothing to report from 4 min 40 s to 5 min 00 s

3

8

76.1

Tube unchanged

25-cm height yellow flame from 24 s to 5 min 00 s

4

5

76.1

Tube unchanged

25-cm height yellow flame from 1 min 48 s to 5 min 00 s

5

3

76.1

Tube unchanged

25-cm height yellow flame from 1 min 29 s to 5 min 00 s

6

2

76.1

Tube unchanged

25-cm height yellow flame from 2 min 15 s to 5 min 00 s

7

1.5

76.1

Tube unchanged

25-cm height yellow flame from 3 min 25 s to 5 min 00 s

8

1

76.1

Tube unchanged

25-cm height yellow flame from 3 min 15 s to 5 min 00 s

 

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.

FALLHAMMER TEST

Assay no.

1

2

3

4

5

6

7

8

Impact energy (J)

10

15

20

25

30

35

40

50

Weight (kg)

5

5

5

5

5

10

10

10

Height (cm)

20

30

40

50

60

35

40

50

Volume of test material (mm³)

40

40

40

40

40

40

40

40

Observations

N

N

N

N

N

N

N

N

N = no reaction

The test was repeated 6 times at 50 J.

Assay no.

9

10

11

12

13

14

Impact energy (J)

50

50

50

50

50

50

Weight (kg)

10

10

10

10

10

10

Height (cm)

50

50

50

50

50

50

Volume of test material (mm³)

40

40

40

40

40

40

Observations

N

N

N

N

N

N

 N = no reaction

The result of the test was “negative”

 BAM FRICTION TEST

Volume (mm³)

Loading (N)

Assay no.

1

2

3

4

5

6

10

360

N

N

N

N

N

N

 N = no reaction

The result of the test was “negative”

Interpretation of results:
other: Not explosive according to EU criteria
Conclusions:
The substance tested negative in the Koenen test, Fallhammer test and BAM friction test.
Executive summary:

The explosive properties of the test material were investigated in a study which was conducted under GLP conditions and in accordance with the UN Manual of Tests and Criteria: Part I: Classification procedures, test methods and criteria relating to explosives of Class 1.

In the Koenen test, 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. In the Fallhammer test, the result of the test was “negative”. And in the BAM friction test, the result of the test was “negative”.

The test material is therefore not considered to be explosive and is not considered to be too dangerous to be transported in its tested form.

Description of key information

The substance tested negative in the Koenen test, Fallhammer test and BAM friction test.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

The explosive properties of the test material were investigated in a study which was conducted under GLP conditions and in accordance with the UN Manual of Tests and Criteria: Part I: Classification procedures, test methods and criteria relating to explosives of Class 1. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

In the Koenen test, 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. In the Fallhammer test, the result of the test was “negative”. And in the BAM friction test, the result of the test was “negative”.

The test material is therefore not considered to be explosive and is not considered to be too dangerous to be transported in its tested form.

Justification for classification or non-classification

In accordance with the criteria for classification as defined in Annex I, Regulation (EC) No 1272/2008, the substance does not require classification with respect to explosive properties.