Registration Dossier
Registration Dossier
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EC number: 220-266-3 | CAS number: 2695-37-6
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:
- February 9, 2015
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- plate method
- Key result
- Surface tension:
- 72.4 mN/m
- Temp.:
- 21 °C
- Conc.:
- 1 g/L
- Conclusions:
- Surface tension of sodium p-styrenesulfonate (NaSS) was measured with plate method at 21 C.
The Surface tension of sodium p-styrenesulfonate was 72.4 mN/m. - Executive summary:
The surface tension of sodium p-styrenesulfonate was determined according to OECD test guideline No.115.
The surface tension of this substance measured with plate method using 1g/L aquous solution at 21 C was 72.4mN/m.
Reference
Table 1 Results of Surface Tension determination
No |
Time after test solution prepared (min) |
Solution temperature (oC) |
Surface Tension (mN/m) |
|
Observed |
Average |
|||
1 |
60 |
21 |
72.5 |
72.4 |
65 |
72.3 |
|||
70 |
72.3 |
|||
2 |
80 |
72.5 |
||
87 |
72.5 |
|||
92 |
72.3 |
|||
Description of key information
The surface tension of sodium p-styrenesulfonate was determined according to OECD test guideline No.115.
The surface tension of this substance measured with plate method using 1g/L aquous solution at 21 C was 72.4mN/m.
Key value for chemical safety assessment
- Surface tension:
- 72.4
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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