Registration Dossier
Registration Dossier
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EC number: 239-554-5 | CAS number: 15519-28-5
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- other: Statement
- Adequacy of study:
- key study
- Study period:
- 2018-05-30
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- other: Statement
- Title:
- Unnamed
- Year:
- 2 018
- Report date:
- 2018
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- There are values for five cesium salts in water at 20 °C available according to OECD Guideline No. 115, adopted on 27 July 1995 and EU test method A.5, Council Regulation (EC) No. 440/2008 of 30 May 2008.
- GLP compliance:
- no
Test material
- Reference substance name:
- Cesium bicarbonate
- EC Number:
- 239-554-5
- EC Name:
- Cesium bicarbonate
- Cas Number:
- 15519-28-5
- Molecular formula:
- CH2O3.Cs
- IUPAC Name:
- caesium(1+) hydrogen carbonate
- Test material form:
- solid: crystalline
- Details on test material:
- Product number 425017
Constituent 1
Results and discussion
Surface tension
- Remarks on result:
- other: From the experience with five cesium salts it can be concluded that the surface tension of cesium hydrogen carbonate is between 69.2 and 72.8 mN/m (20 °C; 1.0 g/L).
Applicant's summary and conclusion
- Conclusions:
- Cesium salts change in a concentration of 1.0 g/L change the surface tension of water marginally. From the experience with five cesium salts it can be concluded that the surface tension of cesium hydrogen carbonate is between 69.2 and 72.8 mN/m (20 °C; 1.0 g/L).
- Executive summary:
“c
Even if different cesium salts do not fit in the concept of homologous series, there are values for five cesium salts in water at 20 °C according to OECD 115 and EU A.5 available.
Cesium iodide 69.2 mN/m (at 1.0 g/L)
Cesium hydroxide *H2O 71.1 mN/m (at 1.0 g/L)
Cesium sulphate 71.1 mN/m (at 1.0 g/L)
Cesium nitrate 72.5 mN/m (at 1.0 g/L)
Cesium chloride 72.8 mN/m (at 1.0 g/L)
Cesium salts change in a concentration of 1.0 g/L change the surface tension of water marginally. From the experience with five cesium salts it can be concluded that the surface tension of cesium hydrogen carbonate is between 69.2 and 72.8 mN/m (20 °C; 1.0 g/L).
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