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EC number: 233-397-6 | CAS number: 10139-58-9
Oxidising properties
Administrative data
Link to relevant study record(s)
- Endpoint:
- oxidising solids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- UN Manual of Tests and Criteria: Test O.1 (Test for oxidizing solids)
- GLP compliance:
- no
- Contact with:
- powdered cellulose
- Duration of test (contact time):
- >= 0 - <= 3 min
- Sample tested:
- 1:1 sample-to-cellulose ratio
- Parameter:
- mean burning time
- Result:
- 6.4 s
- Remarks on result:
- other: range: 6.0 - 8.0 s, n = 5, Violent burn-off with yellow flames observed
- Sample tested:
- 4:1 sample-to-cellulose ratio
- Parameter:
- mean burning time
- Result:
- 2.4 s
- Remarks on result:
- other: range: 2.0 - 3.0 s, n = 5. Violent burn-off with yellow flames observed.
- Sample tested:
- reference: 3:7 mixture potassium bromate + cellulose
- Parameter:
- mean burning time
- Result:
- 134.4 s
- Remarks on result:
- other: range: 116.0 - 145.0s, n = 5. Burn-off with yellow flames.
- Sample tested:
- reference: 2:3 mixture potassium bromate + cellulose
- Parameter:
- mean burning time
- Result:
- 61.6 s
- Remarks on result:
- other: range: 52.0 - 69.0 s, n = 5. Violent burn-off with yellow flames.
- Sample tested:
- reference: 3:2 mixture potassium bromate + cellulose
- Parameter:
- mean burning time
- Result:
- 17.8 s
- Remarks on result:
- other: range: 15.0 - 19.0 s, n = 5. Violent burn-off with yellow flames.
- Interpretation of results:
- Category 1 (strong oxidising solids) based on GHS criteria
- Conclusions:
- Rhodium trinitrate is a Category 1 oxidising solid.
- Executive summary:
Michael-Schulz (2011) is an experimental study following UN method O1. It is not GLP-compliant but is otherwise adequate for assessment.
On the basis of the test results and according to the criteria specified in the Regulation (EC) No 1272/2008 (CLP-/GHS-Regulation) rhodium trinitrate is an oxidising solid of category 1.
Reference
Rhodium-(III)-nitrate-2 -hydrate (2.23/190811/03)
The sample was used as delivered.
Ratios of Sample: cellulose [by mass] |
Burning time t [s] |
Mean burning times |
||||
1 : 1 |
6.0 |
6.0 |
6.0 |
8.0 |
6.0 |
t1: 6.4 |
Violent burn-off with yellow flames |
||||||
4 : 1 |
3.0 |
3.0 |
2.0 |
2.0 |
2.0 |
t2: 2.4 |
Violent burn-off with yellow flames |
||||||
Reference mixtures (measured 14 September 2011)
Ratios of potassium bromate : Cellulose |
Burning time t [s] |
Mean burning times |
||||
3:7 |
143.0 |
129.0 |
139.0 |
145.0 |
116.0 |
R1: 134,4 |
Burn-off with yellow flames |
||||||
2:3 |
57.0 |
62.0 |
52.0 |
68.0 |
69.0 |
R2: 61.6 |
Violent burn-off with yellow flames |
||||||
3:2 |
19.0 |
19.0 |
18.0 |
18.0 |
15.0 |
R3: 17.8 |
Violent burn-off with yellow flames |
||||||
Description of key information
Rhodium trinitrate is a Category 1 oxidising solid.
Key value for chemical safety assessment
- Oxidising properties:
- oxidising
Additional information
Michael-Schulz (2011) is an experimental study following UN method O1. It is not GLP-compliant but is otherwise adequate for assessment.
On the basis of the test results and according to the criteria specified in the Regulation (EC) No 1272/2008 (CLP-/GHS-Regulation) rhodium trinitrate is an oxidising solid of category 1.
Justification for classification or non-classification
On the basis of the test results and according to the criteria specified in the Regulation (EC) No 1272/2008 (CLP-/GHS-Regulation) rhodium trinitrate is an oxidising solid of category 1.
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