Registration Dossier
Registration Dossier
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EC number: 265-116-8 | CAS number: 64742-16-1 A complex combination of organic compounds, predominantly hydrocarbons, obtained as a fraction of the extract from solvent extraction of residuum. It consists predominantly of high molecular weight compounds with high carbon-to-hydrogen ratios.
Oxidising properties
Administrative data
Link to relevant study record(s)
- Endpoint:
- oxidising liquids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 29. Aug. 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.21 (Oxidising Properties (Liquids))
- Version / remarks:
- Commission Regulation (EC) No 440/2008 of 30 May 2008 published on 31 May 2008 Method A.21 “Oxidising Properties (Liquids)“
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- No further details specified in the study report.
- Contact with:
- powdered cellulose
- Duration of test (contact time):
- 60 s
- Key result
- Sample tested:
- test mixture 1:1
- Parameter:
- mean pressure rise time
- Remarks on result:
- other: The test item Petroleum Resins (Kendex 0897) is considered as not oxidising, as the increase in pressure took place very slowly, taking much more time than the reference mixture.
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- The test item Petroleum Resins (Kendex 0897) is considered as not oxidising, as the increase in pressure took place very slowly, taking much more time than the reference mixture.
Therefore, Petroleum Resins (Kendex 0897) should not be classified as oxidizing liquid. - Executive summary:
Determination of the oxidising properties of Petroleum Resins (Kendex 0897) according to EU A.21
Findings and Results:
Five determinations were performed with the test item Petroleum Resins (Kendex 0897), using a mixture with cellulose.
No signs of oxidising properties of the test item could be observed throughout the course of the test as all experiments reached a pressure above 2070 kPa, taking much more time than the reference mixture.
The variation of all evaluated experiments was below 30 %.
The reference mixture of cellulose and nitric acid (65 %) showed a fast increase above 2070 kPa within 2.95 seconds. Therefore, the determination can be considered to be valid. No observations were made which might cause doubts concerning the validity of the study outcome.
Therefore, Petroleum Resins (Kendex 0897) should not be classified as oxidizing liquid.
Reference
Weighing
The weighing and observations of the experiments are presented in the following table:
Time Intervals
Substance |
Experiment No. |
Amount test item / reference substance [g] |
Amount cellulose [g] |
Observations |
Test ItemPetroleum Resins (Kendex 0897)and |
1 |
2.5 |
2.5 |
pressure increase above 2070 kPa. |
2 |
2.5 |
2.5 |
pressure increase above 2070 kPa. |
|
3 |
2.5 |
2.5 |
pressure increase above 2070 kPa. |
|
4 |
2.5 |
2.5 |
pressure increase above 2070 kPa. |
|
5 |
2.5 |
2.5 |
pressure increase above 2070 kPa. |
|
Reference Item Nitric |
1 |
2.5 |
2.5 |
bursting of the bursting disc |
2 |
2.5 |
2.5 |
bursting of the bursting disc |
|
3 |
2.5 |
2.5 |
bursting of the bursting disc |
|
4 |
2.5 |
2.5 |
bursting of the bursting disc |
|
5 |
2.5 |
2.5 |
bursting of the bursting disc |
Time Intervals
The time intervals which were recorded between the lower pressure value (690 kPa) and the upper pressure value (2070 kPa) in each experiment are presented in the following table:
Time Intervals
Content of Test System |
Experiment No. |
Time lapse between 690 kPa and 2070 kPa [s] |
Mean time lapse [s] |
Difference to Mean [%] |
Test Item Petroleum Resins (Kendex 0897)and Cellulose |
1 |
00:00:19.117 |
|
-10% |
2 |
00:00:13.533 |
|
22% |
|
3 |
00:00:13.929 |
Mean: 00:00:17.315 |
20% |
|
4 |
00:00:18.422 |
sd: 00:00:03.478 |
-6% |
|
5 |
00:00:21.575 |
RSD: 20% |
-25% |
|
Reference Item Nitric Acid and Cellulose |
1 |
00:00:02.917 |
|
1% |
2 |
00:00:02.471 |
|
16% |
|
3 |
00:00:03.436 |
Mean: 00:00:02.947 |
-17% |
|
4 |
00:00:02.954 |
sd: 00:00:00.342 |
0% |
|
5 |
00:00:02.957 |
RSD: 12% |
0% |
Description of key information
No signs of oxidising properties of the test item could be observed throughout the course of the test as all experiments reached a pressure above 2070 kPa.
Key value for chemical safety assessment
- Oxidising properties:
- non oxidising
Additional information
Five determinations were performed with the test item Petroleum Resins (Kendex 0897), using a mixture with cellulose.
No signs of oxidising properties of the test item could be observed throughout the course of the test as all experiments reached a pressure above 2070 kPa, taking much more time than the reference mixture.
The variation of all evaluated experiments was below 30 %.
The reference mixture of cellulose and nitric acid (65 %) showed a fast increase above 2070 kPa within 2.95 seconds. Therefore, the determination can be considered to be valid. No observations were made which might cause doubts concerning the validity of the study outcome.
Justification for classification or non-classification
No signs of oxidising properties of the test item could be observed throughout the course of the test as all experiments reached a pressure above 2070 kPa, taking much more time than the reference mixture.
Therefore, Petroleum Resins (Kendex 0897) should not be classified as oxidizing liquid.
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