Registration Dossier
Registration Dossier
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EC number: 947-850-7 | CAS number: -
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:
- 21 April 2016
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study with acceptable restrictions
- Remarks:
- saturated solution evaluated vs 90% saturated.
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- ring method
- GLP compliance:
- no
- Type of method:
- ring method
- Surface tension:
- 29.3 other: dyne/cm
- Temp.:
- 20 °C
- Conc.:
- 1 000 mg/L
- Remarks on result:
- other:
- Remarks:
- Temperature not indicated, presumed ca. 20 °C; Also, saturated solution used vs. 90% saturated.
Reference
Surface Tension Results
Material |
Batch |
Concentration (% w/v in DI water) |
Reading 1 Dyne/cm |
Reading 2 Dyne/cm |
Reading 3 Dyne/cm |
Reading 4 Dyne/cm |
Average Surface Tension (Dyne/cm) |
Deionised water |
N/A |
N/A |
72.2 |
72.5 |
- |
- |
72.41 |
Test Item |
940291 |
0.5 0.1 |
- 30.1 |
- 29.5 |
- 28.7 |
- 28.7 |
- 29.3 |
1 Reference measurement withn tolerance (72 minimum)
Note: Temperature is not indicated for surface tension measurement. Ambient temperature is presumed to be 20 deg C.
Description of key information
Surface tension is 29.3 dyne/cm (mN/m) at 0.1% w/v (no guideline, ring method).
Key value for chemical safety assessment
- Surface tension:
- 29.3
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
Ambient temperature is presumed to be 20 deg C, but is not indicated in report.
Saturated solution evaluated instead of 90% saturated.
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