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Physical & Chemical properties

Explosiveness

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Reference
Endpoint:
explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016-04-11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.14 (Explosive properties)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Key result
Parameter:
sensitiveness to impact: impact energy (J)
Value:
0
Remarks on result:
not sensitive to impact using an impact energy of 40 J
Key result
Parameter:
thermal sensitivity - Koenen test: diameter of the orifice plate
Value:
0
Number of fragments:
0
Remarks on result:
not thermal sensitive if heated under defined confinement

Mechanical sensitivity (shock)

 

Experimental conditions

Atmospheric pressure: 97.3 kPa

Preparation of the test item: Used as supplied

 

Safety-in-handling test

A small quantity of the test item was submitted to a shock by means of a metallic device: No sign of explosion was recorded.

Main test

Volume

(µL)

Impact

Assay No.

height

(m)

weight

(kg)

1

2

3

4

5

6

40

0.40

10

N

N

N

N

N

N

N is no sign of explosion was observed.

 Results

Six negative assays were recorded: No mechanical sensitivity was noted with the test item.

Thermal sensitivity (flame)

Experimental conditions

Preparation of the test item: Used as supplied

 

Safety-in-handling test

A small quantity of the test item was submitted to a flame from a gas burner: The test item ignited but no sign of explosion was recorded.

Main test

Gas flow: Approximately 6 L/min

Volume of test item to reach 6-cm height in the test tube: About 27 Ml

 

Observations for assays using a tube with a hole of 6-mm diameter

 

Assay No.

From

To / At

Observations

1

1 m27 s

3 m47 s

50-cm height yellow flame

3 m47 s

5 m00 s

Nothing to report

2

1 m32 s

3 m42 s

50-cm height yellow flame

3 m42 s

5 m00 s

Nothing to report

3

1 m25 s

3 m59 s

50-cm height yellow flame

3 m59 s

5 m00 s

Nothing to report

 

Observations for assays using a tube with a hole of 2-mm diameter

 

Assay No.

From

To / At

Observations

4

1 m38 s

4 m09 s

50-cm height yellow flame

4 m09 s

5 m00 s

Nothing to report

5

1 m33 s

4 m15 s

50-cm height yellow flame

4 m15 s

5 m00 s

Nothing to report

6

1 m13 s

3 m26 s

50-cm height yellow flame

3 m26 s

5 m00 s

Nothing to report

Results

 

Assay No.

Nozzle plate opening

(mm)

Quantity of test item

(mL)

Effect on steel tube

1

6

27

No

2

6

27

No

3

6

27

No

4

2

27

No

5

2

27

No

6

2

27

No

 

Six negative assays were recorded: No heat sensitivity was noted with the test item.

 

Interpretation of results:
GHS criteria not met
Conclusions:
The substance was determined not explosive under the conditions of an explosivity study in accordance with EU Test Method A.14 and in compliance with GLP. The result is considered to be reliable.
Executive summary:

Mechanical sensitivity (shock)

Six negative assays were recorded: No mechanical sensitivity was noted with the test item.

 

 

Thermal sensitivity (flame test)

Six negative assays were recorded using nozzle plates with a hole of 6-mm diameter and with a hole of 2-mm diameter: No thermal sensitivity was noted with the test item.

 

The test item was not considered to have explosive properties in the experimental conditions used. The substance being not explosive, it can be expected that the data is also relevant for non-classification according to UN Recommendations on the Transport of Dangerous Goods – Manual of Tests and Criteria (6th revision, 2015), and for non-classification in explosives hazard class according to Regulation (EC) No. 1272/2008 (CLP).

Description of key information

Explosiveness: non-explosive (EU Method A.14)

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

The explosivity study for the substance was conducted in accordance with EU Test Method A.14 and in compliance with GLP. During the study, six negative results were observed in a mechanical sensitivity study. Similarly, in a thermal sensitivity study using 6 mm and 2 mm diameter nozzles, six negative results were also observed. Therefore, under the conditions of the study, the test substance is considered not to exhibit explosivity hazard. The result is considered to be reliable.

Justification for classification or non-classification

The substance is not explosive under the conditions of an EU Test Method A.14 and as such not classified for explosivity in accordance with Regulation (EC) No. 1272/2008.