Registration Dossier
Registration Dossier
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EC number: 221-800-8 | CAS number: 3238-40-2
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:
- 01 July 2011- 21 October 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- (2008)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- (1995)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
- Surface tension:
- 73.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: 90% of saturation
- Conclusions:
- FDCA is not surface active. The surface tension of an aqueous test substance solution at 90% of the saturation concentration was 73.5 mN/m at 20°C.
Reference
Table: Surface tension measurements
Measurement |
Time passed [minutes] |
Surface tension |
||
individual |
mean |
mean multiplied by |
||
|
|
|
|
|
1 |
18 |
66.0 |
70.71 |
73.5 |
2 |
19 |
68.8 |
|
|
3 |
20 |
69.5 |
|
|
4 |
21 |
70.0 |
|
|
5 |
22 |
70.9 |
|
|
6 |
23 |
70.5 |
|
|
7 |
24 |
70.8 |
|
|
8 |
25 |
70.7 |
|
|
9 |
26 |
70.7 |
|
|
|
|
|
|
|
1 Mean calculated from measurements 5 to 9, after equilibrium was reached.
2 W.D. Harkins, H.F. Jordan, J. Amer. Chem. Soc., vol. 52, 1751, 1930.
Description of key information
The substance is not surface active.
Key value for chemical safety assessment
- Surface tension:
- 73.5
Additional information
The OECD Harmonized ring method was performed in accordance with EC A.5 and OECD 115.
Concentration tested: 90% of saturation
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