Registration Dossier
Registration Dossier
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EC number: 235-406-9 | CAS number: 12220-06-3
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:
- From August 08th, 2017 to May 02nd, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.14 (Explosive properties)
- GLP compliance:
- yes (incl. QA statement)
- Parameter:
- sensitiveness to friction: friction load (N)
- Remarks on result:
- not sensitive to friction using a friction load of 360 N
- Parameter:
- sensitiveness to impact: impact energy (J)
- Remarks on result:
- other: not sensitive to impact using an impact energy of 50 J
- Parameter:
- thermal sensitivity - Koenen test: diameter of the orifice plate
- Remarks on result:
- not thermal sensitive if heated under defined confinement
- Conclusions:
- Non explosive
- Executive summary:
The determination of the explosive properties of the test item was conducted according to Regulation EC No. 440/2008 Method A.14. Explosive Properties.
A preliminary investigation was conducted for the determination of the thermal stability, via Differential Scanning Calorimetry (DSC). The substance was placed in the DSC apparatus, which was heated from room temperature to 500 °C with a heating rate of 3 K/min. Two measurements were performed. Since, in the temperature range of 250 – 350 °C an exothermic effect was observed with a specific decomposition energy of -750 J/g and -520 J/g, respectively, the main test was run.
Mechanical Sensitivity to friction and impact were determined, as well as the thermal sensitivity using the Koenen-Test.
In a series of six tests using the BAM friction apparatus with a force of 360 N no reaction was observed. In a series of six tests using the BAM Fallhammer with a mass of 10 kg and a drop height of 50 cm no reaction was observed. Three tests with a 2.0 mm and two tests with 6.0 mm diameter orifice plate were performed and no explosivity properies were observed.
Conclusion
Non explosive
Reference
MAIN TEST
Mechanical Sensitivity: Friction
In a series of six tests using the BAM friction apparatus with a force of 360 N no reaction was observed.
Mechanical Sensitivity: Impact
In a series of six tests using the BAM Fallhammer with a mass of 10 kg and a drop height of 50 cm no reaction was observed.
Thermal Sensitivity: Koenen-Test
Three tests with a 2.0 mm and two tests with 6.0 mm diameter orifice plate were performed.
| No. | Sample weight / g | Diameter orifice plate / mm | Reaction time t1 /s | Test time t2 /s | Reaction | Appearance of tube |
| 1 | 23.3 | 2 | 45 | --- * | t1: Bang | Wall of tube split |
| 2 | 23.1 | 2 | 59 | > 300 | t1: Bang | |
| 3 | 23.3 | 2 | 45 | --- * | t1: Bang | |
| 1 | 23.4 | 6 | 35 | > 300 | t1: Flame | Unchanged |
| 2 | 23.3 | 6 | 40 | > 300 | t1: Flame |
t1: time to first reaction: flame / bang
t2: time to main reaction: no reaction
* after t1 the flame of the burner was extinct
PRELIMINARY ASSAY
In the temperature range of 250 – 350 °C an exothermic effect was observed with a specific decomposition energy of -750 J/g and -520 J/g, respectively.
| Sample weight / mg | Start of effect / °C | Energy / J/g |
| 9.38 | 250 | -750 (exothermic) |
| 8.53 | 250 | -520 (exothermic) |
Description of key information
non explosive
Key value for chemical safety assessment
- Explosiveness:
- non explosive
Additional information
EU Method A.14
Justification for classification or non-classification
According to the CLP Regulation (EC) No 1272/2008, 2.1 section, an explosive substance or mixture is a solid or liquid substance or mixture of substances which is in itself capable by chemical reaction of producing gas at such a temperature and pressure and at such a speed as to cause damage to the surroundings. Pyrotechnic substances are included even when they do not evolve gases.
In a series of six tests using the BAM friction apparatus with a force of 360 N no reaction was observed; in a series of six tests using the BAM Fallhammer with a mass of 10 kg and a drop height of 50 cm no reaction was observed; thermal sensitivity using the Koenen-Test.
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