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EC number: 432-080-1 | 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 October 1998 to 01 December 1998
- 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
- Parameter:
- sensitiveness to impact: impact energy (J)
- Remarks on result:
- not sensitive to impact using an impact energy of 40 J
- Parameter:
- sensitiveness to friction: friction load (N)
- Remarks on result:
- not sensitive to friction using a friction load of 360 N
- Parameter:
- thermal sensitivity - Koenen test: diameter of the orifice plate
- Remarks on result:
- not thermal sensitive if heated under defined confinement
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The test substance has no danger of explosion according to the explosive properties.
- Executive summary:
The purpose of the test was the determination of the melting point according to Guideline 92/69/EEC part A.14. explosive properties. Study conducted in compliance with GLP.
As a screening method for determination of explosive properties a differential scanning calorimetry (DSC) was performed. If the decomposition energy is below 500 J/g the main test of explosive properties according A. 14 is unnecessary.
The method provides a scheme of testing to determine whether or not a solid, a liquid or a pasty substance or preparation presents a danger of explosion when submitted to the effect of a flame (thermal sensitivity) or to impact or friction (sensitivity to mechanical stimuli).
The method comprises three parts:
a test of thermal sensitivity;
a test of mechanical sensitivity with respect to shock;
a test of mechanical sensitivity with respect to friction.
Thermal sensitivity
Three tests were performed with a circular nozzle plate with a hole of 2 mm diameter used.
Test No.
weight of test substance (grams)
nozzle width (mm)
ti
(sec)
t2(sec)
reaction
appearance; number of fragments
1
21.0
2.0
13.6
>300
burning
tube unchanged
2
20.9
2.0
12.4
>300
bang
tube unchanged
3
20.9
2.0
11.5
>300
burning
tube unchanged
Mechanical sensitivity (shock)
No explosion within 6 tests using a 10 kilogram mass from a height 0.4 m.
Mechanical sensitivity (friction)
No explosion within 6 tests pinload with 360 newton
The test substance has no danger of explosion according to the explosive properties.
Reference
Explosive properties
Thermal sensitivity
Three tests were performed with a circular nozzle plate with a hole of 2 mm diameter used.
Test No. |
weight of test substance (grams) |
nozzle width (mm) |
ti (sec) |
t2(sec) |
reaction |
appearance; number of fragments |
1 |
21.0 |
2.0 |
13.6 |
>300 |
burning |
tube unchanged |
2 |
20.9 |
2.0 |
12.4 |
>300 |
bang |
tube unchanged |
3 |
20.9 |
2.0 |
11.5 |
>300 |
burning |
tube unchanged |
Mechanical sensitivity (shock)
No explosion within 6 tests using a 10 kilogram mass from a height 0.4 m
Mechanical sensitivity (friction)
No explosion within 6 tests pinload with 360 newton.
Explosive properties
The test substance has no danger of explosion according to the explosive properties in the sense of Guideline 92/69/EEC, A.14.
Description of key information
The test substance has no danger of explosion according to the explosive properties.
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
As a screening method for determination of explosive properties a differential scanning calorimetry (DSC) was performed. If the decomposition energy is below 500 J/g the main test of explosive properties according A. 14 is unnecessary.
The method provides a scheme of testing to determine whether or not a solid, a liquid or a pasty substance or preparation presents a danger of explosion when submitted to the effect of a flame (thermal sensitivity) or to impact or friction (sensitivity to mechanical stimuli).
Thermal sensitivity
Three tests were performed with a circular nozzle plate with a hole of 2 mm diameter used.
Test No. |
weight of test substance (grams) |
nozzle width (mm) |
ti (sec) |
t2(sec) |
reaction |
appearance; number of fragments |
1 |
21.0 |
2.0 |
13.6 |
>300 |
burning |
tube unchanged |
2 |
20.9 |
2.0 |
12.4 |
>300 |
bang |
tube unchanged |
3 |
20.9 |
2.0 |
11.5 |
>300 |
burning |
tube unchanged |
Mechanical sensitivity (shock)
No explosion within 6 tests using a 10 kilogram mass from a height 0.4 m.
Mechanical sensitivity (friction)
No explosion within 6 tests pinload with 360 newton
The test substance has no danger of explosion according to the explosive properties.
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