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Physical & Chemical properties

Explosiveness

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Administrative data

Endpoint:
explosive properties of explosives
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 23 OCTOBER 2019 to 16 DECEMBER 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report date:
2019

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
other: OECD Test Guideline 113
Version / remarks:
OECD Test Guideline 113 (1981) Screening Test for Thermal Stability and Stability in Air.
Deviations:
no
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
Version / remarks:
UN Recommendations on the TRANSPORT OF DANGEROUS GOODS: Manual of Tests and Criteria, Rev. 6 (2015) and UN-Model Regulations, Rev. 20 (2017)
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile
EC Number:
274-126-1
EC Name:
1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile
Cas Number:
69808-32-8
Molecular formula:
C17H17ClN4O2
IUPAC Name:
1-butyl-5-[(4-chlorophenyl)azo]-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinonitrile
Test material form:
solid: particulate/powder
Details on test material:
- State of aggregation: powder
- Particle size distribution: not determined
- Mass median aerodynamic diameter (MMAD): not determined
- Geometric standard deviation (GSD): not determined
- Shape of particles: not determined
- Surface area of particles: not determined
- Crystal structure: not determined
- Coating: none
- Surface properties: not determined
- Density: 1.3526 ± 0.0010 g/cm3 at 20.0 ± 0.2°C
- Moisture content: <0.5%
- Residual solvent: not detected
- Activation: none
- Stabilisation: none
- Other:
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material: 2832065
- Expiration date of the lot/batch: 14/02/2028
- Purity test date: 04/09/2018

RADIOLABELLING INFORMATION (if applicable)
- Radiochemical purity:
- Specific activity:
- Locations of the label:
- Expiration date of radiochemical substance:

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature (20+/-5ºC)
- Stability under storage conditions: stable
- Stability under test conditions: stable
- Solubility and stability of the test substance in the solvent/dispersant/vehicle/test medium: stable
- Reactivity of the test substance with the solvent/vehicle /test medium (if applicable):

TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing: none
- Preliminary purification step (if any):
- Preparation of a nanomaterial dispersion (incl. dilution): none
- Final dilution of a dissolved solid, stock liquid or gel: none
- Final preparation of a solid: none

FORM AS APPLIED IN THE TEST (if different from that of starting material)

INFORMATION ON NANOMATERIALS: No applicable
- Chemical Composition:
- Density:
- Particle size & distribution:
- Specific surface area:
- Isoelectric point:
- Dissolution (rate):

TYPE OF BIOCIDE/PESTICIDE FORMULATION (if applicable)

OTHER SPECIFICS
- measurement of pH, osmolality, and precipitate in the culture medium to which the test chemical is added:
- other information:

Results and discussion

Small-scale preliminary tests
Key result
Parameter:
other: OECD Test Guideline 113
Remarks:
OECD Test Guideline 113, Screening Test for Thermal Stability and Stability in Air. The thermal stability of the test item is investigated by DSC (differential scanning calorimetry).
Value:
-600
Remarks on result:
other: The test item in enclosed glass crucibles showed an exothermic effect in the temperature range of 230-320ºC with an average decomposition energy of -600 J/g.
Results of test series for explosivesopen allclose all
Key result
Test series:
UN Test series 2
Method:
UN Test 2 (c) (i): Time/pressure test
Parameter:
other: The time taken for the pressure to rise from 690 kPa to 2.070 kPa above atmospheric.
Value:
0
Result:
result is considered "-" (negative)
Remarks:
Due to the fact of the test item did not reach a pressure of 690 kPa, the UN Transport Regulation Test 18c) and 28c) deemed to be "-".
Remarks on result:
time for a pressure rise from 690 to 2070 kPa (ms)
Remarks:
Due to the fact of the test item did not reach a pressure of 690 kPa, the UN Transport Regulation Test 18c) and 28c) deemed to be "-".
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (c) (i): Time/pressure test
Parameter:
other: The time taken for the pressure to rise from 690 kPa to 2.070 kPa above atmospheric.
Value:
0
Result:
result is considered "-" (negative)
Remarks:
Due to the fact of the test item did not reach a pressure of 690 kPa, the UN Transport Regulation Test 18c) and 28c) deemed to be "-".
Remarks on result:
time for a pressure rise from 690 to 2070 kPa (ms)
Remarks:
Due to the fact of the test item did not reach a pressure of 690 kPa, the UN Transport Regulation Test 18c) and 28c) deemed to be "-".
Key result
Test series:
test data derived by a competent authority
Remarks:
Thermal sensitivity: Koenen-Test (EC A.14)
Method:
other: Koenen-Test (EC A.14)
Parameter:
limiting diameter (mm)
Value:
300
Result:
result is considered "-" (negative)
Remarks:
Due to the fact that the test series with a 2.0 mm and 6 mm diameter orifice plate showed no explosion, the A.14 test regarding thermal sensitivity deemed to be negative.
Remarks on result:
no mass explosion
Key result
Test series:
UN Test series 2
Method:
UN Test 2 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
300
Result:
result is considered "-" (negative)
Remarks:
Due to the fact the test series with a 2.0 mm diameter orifice plate showed no explosion, the UN Transport Regulation Test 2(b) deemed to be "-".
Remarks on result:
no mass explosion
Key result
Test series:
UN Test series 1
Method:
UN Test 1 (b): Koenen test
Parameter:
limiting diameter (mm)
Value:
300
Result:
result is considered "-" (negative)
Remarks:
Due to the fact that the test series with a 1.0 mm diameter orifice plate showed no explosion, the UN Transport Regulation Test 1(b) deemed to be "-".
Remarks on result:
no mass explosion

Applicant's summary and conclusion

Interpretation of results:
GHS criteria not met
Remarks:
The test item does not have to be classified as an explosive substance in class 1 according to the UN Transport Regulation. The test item does not have to be classified as explosive substance in class 1 according to GHS or CLP Regulation EC 1272/2008 Annex 1:2.1, respectively. For information: Regulation EC No. 440/2008 M;ethod A.14.: The test item is not an explosive substance regarding the thermal sensitivity.
Conclusions:
The GHS, the UN Transport Regulation and CLP REgulation EC 1272/2008 aren't met.