Registration Dossier
Registration Dossier
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EC number: 278-562-3 | CAS number: 76836-02-7
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 05 October 2017 to 08 November 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
- Key result
- Surface tension:
- 72.9 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other:
- Remarks:
- mean multiplied by Φb and Harkins-Jordan corrected value
- Conclusions:
- The OECD harmonized ring method was applied for the determination of the surface tension of 1,4 piperazinediethanesulfonic acid disodium salt.
The surface tension of a test solution at a concentration of 1 g/L in water and at 20°C was 72.9 mN/m. According to this, the test item is considered not to be surface active.
Reference
The results of the test on the determination of the surface tension of the test solution are given below:
Measurement |
Time passed after transfer test solution to test vessel |
Surface tension |
||
individual |
mean |
mean multiplied by |
||
1 |
18 |
72.0 |
72.2 |
72.9 |
2 |
19 |
72.3 |
|
|
3 |
20 |
72.2 |
|
|
4 |
21 |
72.3 |
|
|
5 |
22 |
72.2 |
|
|
Description of key information
The OECD harmonized ring method was applied for the determination of the surface tension of 1,4 piperazinediethanesulfonic acid disodium salt.
The surface tension of a test solution at a concentration of 1 g/L in water and at 20°C was 72.9 mN/m. According to this, the test item is considered not to be surface active.
Key value for chemical safety assessment
- Surface tension:
- 72.9
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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