Registration Dossier
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EC number: 234-014-5 | CAS number: 10489-46-0
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- >= 99 - <= 108 °C
- Remarks on result:
- other: The boiling was incomplete (mass loss: approximately 75 %).
- Conclusions:
- The test item had a boiling range of 99 to 108°C. The boiling was incomplete (mass loss: approximately 75 %).
- Executive summary:
Nau (2017) is a GLP-compliant report following EU method A.2. and OECD guideline 103, using differential scanning calorimetry. The study is considered to be reliable without restrictions (Klimisch 1). The test item had a boiling range of 99 to 108°C.The boiling was incomplete (mass loss: approximately 75 %).
Reference
Table 1: Boiling point (DSC measurement)
Ident No. |
Test item / mg |
Starting temperature / °C |
Final test temperature / °C |
Temperature range (endo-thermal) / °C |
Onset °C |
Crucible |
Observations after the measurement |
36373 |
23.61 |
25 |
500 |
100 – 135 (multistage) |
102.1 |
Aluminium with a hole |
Crucible was empty; black solid on top of crucible; mass loss: 95 % |
36377 |
15.16 |
25 |
180 |
95–130 (multistage) |
99.5 |
Aluminium with a hole |
Top and bottom of crucible were separated; black solid inside crucible; mass loss: 61 % |
36379 |
8.13 |
25 |
500 |
100 – 140 220 – 255 (multistage) |
107.6 not relevant |
Aluminium with a hole |
Grey solid inside crucible; mass loss: 70 % |
Description of key information
Dirhodium trisulphate (solution) had a boiling range of 99 to 108°C. The boiling was incomplete (mass loss: approximately 75 %).
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 99 °C
Additional information
For dirhodium trisulphate (solution), Nau (2017) is a GLP-compliant report following EU method A.2. and OECD guideline 103, using differential scanning calorimetry. The study is considered to be reliable without restrictions (Klimisch 1). The test item had a boiling range of 99 to 108°C. The boiling was incomplete (mass loss: approximately 75 %).
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