Registration Dossier
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EC number: 289-108-9 | CAS number: 86014-62-2
Oxidising properties
Administrative data
Link to relevant study record(s)
- Endpoint:
- oxidising liquids
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because there are no chemical groups present in the molecule which are associated with oxidising properties and hence, the classification procedure does not need to be applied
- Justification for type of information:
- JUSTIFICATION FOR DATA WAIVING
Substance structural assessment indicates no structural alerts (see RIP 3.2.2 on R7 table R7-29). - Endpoint:
- oxidising liquids
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- Refer to Section 13.2 for the read-across justification.
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Sample tested:
- test mixture (not specified)
- Parameter:
- mean pressure rise time
- Remarks on result:
- maximum pressure of 2070 kPa not reached
- Sample tested:
- reference mixture with 65% nitric acid + cellulose (1:1 ratio)
- Parameter:
- mean pressure rise time
- Result:
- 4.46 s
- Remarks on result:
- other: Test 1
- Sample tested:
- reference mixture with 65% nitric acid + cellulose (1:1 ratio)
- Parameter:
- mean pressure rise time
- Result:
- 5.02 s
- Remarks on result:
- other: Test 2
- Sample tested:
- reference mixture with 65% nitric acid + cellulose (1:1 ratio)
- Parameter:
- mean pressure rise time
- Result:
- 4.74 s
- Remarks on result:
- other: Test 3
- Sample tested:
- reference mixture with 65% nitric acid + cellulose (1:1 ratio)
- Parameter:
- mean pressure rise time
- Result:
- 3.65 s
- Remarks on result:
- other: Test 4
- Sample tested:
- reference mixture with 65% nitric acid + cellulose (1:1 ratio)
- Parameter:
- mean pressure rise time
- Result:
- 3.52 s
- Remarks on result:
- other: Test 5
- Interpretation of results:
- GHS criteria not met
- Remarks:
- no oxidising properties
- Conclusions:
- Based on a read-across study, the test item does not have oxidising properties.
- Endpoint:
- oxidising liquids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: non GLP study
- Justification for type of information:
- Refer to Section 13.2 for the read-across justification.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.21 (Oxidising Properties (Liquids))
- Deviations:
- no
- GLP compliance:
- no
- Contact with:
- powdered cellulose
- Duration of test (contact time):
- 80 s
- Sample tested:
- test mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- mean pressure rise time
- Remarks on result:
- other: result not specified (migrated information)
- Remarks:
- The mean pressure rise time of the tests can not be calculated for the test item because the pressure limit of 2070 kPag was not reached.
- Sample tested:
- reference mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- mean pressure rise time
- Result:
- 4.46 s
- Remarks on result:
- other: Test 1
- Sample tested:
- reference mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- mean pressure rise time
- Result:
- 5.02 s
- Remarks on result:
- other: Test 2
- Sample tested:
- reference mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- mean pressure rise time
- Result:
- 4.74 s
- Remarks on result:
- other: Test 3
- Sample tested:
- reference mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- mean pressure rise time
- Result:
- 3.65 s
- Remarks on result:
- other: Test 4
- Sample tested:
- reference mixture (not specified)
- Remarks:
- migrated information
- Parameter:
- mean pressure rise time
- Result:
- 3.52 s
- Remarks on result:
- other: Test 5
- Interpretation of results:
- other: no oxidising properties
- Remarks:
- Migrated information
- Conclusions:
- The substance has no oxidising properties.
- Executive summary:
The test item has no oxidising properties under the test conditions.
The test item does not meet the classification criteria for oxidizing properties in the sense of the Recommendations on the Transport of Dangerous Goods Division 5.1, Manual of Tests and Criteria, Part 34.4.2 (Test 0.2).
The test item does not meet the classification criteria for oxidizing properties in accordance with Regulation (EC) No. 1272/2008 on the classification, labelling and packaging of substances and mixtures ("CLP Regulation").
The test item has no oxidising properties under the test conditions in the sense of the European Commission Regulation (EC) No. 440/2008, Method A.21.
Referenceopen allclose all
Pressure rise time for the 1:1 mixtures, by mass, of 65 % nitric acid and cellulose
|
Test 1 |
Test 2 |
Test 3 |
Test 4 |
Test 5 |
Time at 2070 kPagin s |
22.785 |
22.445 |
22.990 |
20.065 |
18.605 |
Time at 690 kPagin s |
18.325 |
17.425 |
18.250 |
16.415 |
15.085 |
Pressure rise time in s |
4.46 |
5.02 |
4.74 |
3.65 |
3.52 |
The mean pressure rise time is 4.28 s. All measured values are within the tolerable range of± 30% (2.99 – 5.56 s) of the mean pressure rise time.
Pressure rise time for the 1:1 mixtures, by mass, of test item and cellulose
|
Test 1 |
Test 2 |
Test 3 |
Test 4 |
Test 5 |
Time at 2070 kPagin s |
*) |
*) |
*) |
*) |
*) |
Time at 690 kPagin s |
34.135 |
32.000 |
30.090 |
29.350 |
28.495 |
Pressure rise time in s |
- |
- |
- |
- |
- |
*) No increase up to 2070 kPagwas detected.
The mean pressure rise time of the tests can not be calculated for thetest item because the pressure limit of2070 kPagwas not reached.
The mixture was heated until the bursting disk ruptures or until at least 60 s had elapsed.Due to the fact that the 1:1 mixture, by mass, of test item and cellulose has a pressure rise time higher than that of a 1:1 mixture, by mass, of 65 % nitric acid and cellulose the other mixtures of cellulose with the other reference items had not to be tested. The test item has no oxidising properties.
Description of key information
Oxidising properties: The substance is incapable of reacting exothermically with combustible materials on the basis of its chemical structure. The substance does not contain halogen atoms or groups associated with oxidising properties.
Furthermore, the test item is a salified form (ammonium salt) of a substance that has been determined to be not oxidising (EU Method A.21.). As there is no change in composition between the source substance and target substances, except for the salification of all constituents, it is reasonable to conclude that like the source substance the target substance will not be an oxidising liquid.
Key value for chemical safety assessment
- Oxidising properties:
- non oxidising
Additional information
In accordance with REACH Regulation (EC) No. 1907/2006 Annex VII, column 2 section 7.13 the study does not need to be conducted since the substance is incapable of reacting exothermically with combustible materials on the basis of its constituents chemical structures. The substance does not contain constituents with halogen atoms or groups associated with oxidising properties. Handling and use confirm that the substance is non-oxidizing. According to ECHA Guidance on Information Requirements and Chemical Safety Assessment (Chapter R.7a: Endpoint Specific Guidance, R.7.1.13.2, July 2017) the study does not need to be conducted.
Furthermore, the test item is a salified form (ammonium salt) of a substance that has been determined to be not oxidising (EU Method A.21.). As there is no change in composition between the source substance and target substances, except for the salification of all constituents, it is reasonable to conclude that like the source substance the target substance will not be an oxidising liquid.
Justification for classification or non-classification
Following a structural assessment of the constituents of the test item, it has been concluded that an oxidising properties study does not need to be completed as there are no chemical groups present which are associated with oxidising properties. Hence the classification procedure does not need to be applied as it is scientifically not necessary due to other information being available. The substance does not meet classification criteria under Regulation (EC) No 1272/2008 as oxidising.
Furthermore, the test item is a salified form (ammonimum salt) of a substance that has been determined to be not oxidising (EU Method A.21.). As there is no change in composition between the source substance and target substances, except for the salification of all constituents, it is reasonable to conclude that like the source substance the target substance will not be an oxidising liquid
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