Registration Dossier
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EC number: 617-365-2 | CAS number: 82597-69-1
Explosiveness
Administrative data
- Endpoint:
- explosive properties of explosives
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 26-10-2017 to 29-01-2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- 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
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Potassium (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate and Potassium (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate
- Cas Number:
- 82597-69-1
- Molecular formula:
- C9 H10 Cl F3 O2 . K
- IUPAC Name:
- Potassium (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate and Potassium (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate
- Test material form:
- solid
Constituent 1
Results and discussion
Results of test series for explosivesopen allclose all
- Key result
- Test series:
- UN Test series 2
- Method:
- UN Test 2 (b): Koenen test
- Parameter:
- limiting diameter (mm)
- Value:
- 1
- Result:
- result is considered "-" (negative)
- Key result
- Test series:
- UN Test series 2
- Method:
- UN Test 2 (c) (ii): Internal ignition test
- Parameter:
- other: pressure rise time
- Result:
- result is considered "-" (negative)
- Remarks on result:
- p < 2070 kPa
Any other information on results incl. tables
Heat of decomposition: thermogram shows multiple exothermic peaks over the range 157 - 379 °C. The total normalized energy output from the exothermic peaks, i.e. the heat of decomposition, is 724 J/g.
The heat of decomposition is less than 800 J/g, therefore the explosive test to establish the sensitivity to detonative shock is not required (according to Regulation (EC) No. 1907/2006, Annex VII, 7.11, column 2).
Koenen test:
- No explosions were observed using the 1 mm orifice plates, therefore the Limiting Diameter is < 1 mm.
- In accordance with the criteria of UN Test 2(b), the Limiting Diameter is less than 2 mm and the outcome of the test is considered to be negative.
- The test substance shows no violent effect on heating under confinement.
Time/Pressure test:
Maximum pressure measured for the three tests: 120 kPa, 208 kPa, 198 kPa.
- In all three tests, the upper pressure threshold of 2070 kPa was not achieved, in which case the rise times could not be determined
- In accordance with the criteria of UN Test 2(c), the outcome of the test is considered to be negative.
- The test substance shows no deflagration when ignited under confinement.
Applicant's summary and conclusion
- Conclusions:
- The substance gave negative results when tested for its sensitivity to heating under confinement and ignition under confinement. (The test for shock sensitivity was not required as the heat of decomposition is less than 800 J/g).
The substance is not classified as an explosive. - Executive summary:
Test Series 2 from "UN recommendations on the Transport of Dangerous Goods ,Manual of Tests and Criteria, Sixth Revised Edition, 2015" has been carried out in order to establish whether or not the test substance is too insensitive for classification as an explosive. This series comprises the following types of test:
- Type 2(a) – sensitivity to detonative shock
- Type 2(b) – effect of heating under confinement
- Type 2(c) – effect of ignition under confinement
Tests of type 2(a) were rendered unnecessary, as the heat of decomposition is less than 800 J/g (according to Regulation (EC) No. 1907/2006, Annex VII, 7.11, column 2).
Both the Koenen test (type 2(b)) and the time/pressure test (type 2(c)) produced results which were considered to be negative.
Therefore the overall conclusion from these tests is that the test substance is not classified as an explosive.
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