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EC number: 270-695-5 | CAS number: 68476-55-1
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:
- 08/12/2008 - 08/04/2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant, guideline study, experimental study, no restrictions, fully adequate for assessment
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
- Surface tension:
- 71.2 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % saturation volume
- Conclusions:
- The surface tension of an aqueous preparation of the test item, at 90% saturation concentration, is 71.2 mN/m, at 20 °C.
- Executive summary:
The study is GLP compliant and carried out to a standard guideline, therefore the data is considered reliable. The surface tension of an aqueous preparation of the test item, at 90% saturation concentration, is 71.2 mN/m, at 20 °C.
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 06/06/2007 - 16/10/2007
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant, guideline study, available as unpublished report, no restrictions fully adequate for assessment
- 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
- Type of method:
- OECD harmonised ring method
- Surface tension:
- 72 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % saturation concentration
- Conclusions:
- The surface tension of 68476-55-1 is 72mN/m. The test item is not surface active.
- Executive summary:
This study was conducted to a standard guideline and according to GLP and so is considered fully reliable for use as a key study. The surface tension of 68476-55-1 is 72mN/m. The test item is not surface active.
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP compliant,guideline study, available as unpublished report, no restrictions fully adequate for assessment
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
- Surface tension:
- 71.7 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 other: % saturation concentration
- Conclusions:
- The surface tension of 92128-65-9 is 71.7mN/m. The test item is not surface active.
- Executive summary:
This study was conducted to a standard guideline and according to GLP and so is considered fully reliable for use as a key study. The surface tension of 92128-65-9 is 71.7mN/m. The test item is not surface active.
Referenceopen allclose all
An aqeous preparation of the test item (90% saturation concentration) was tested at 20°C. The surface tension of the purified water used to make the solution was also tested for reference. The surface tension of the purified water was 72mN/m at 20°C. The test item is not surface active
An aqeous preparation of the test item (90% saturation concentration) was tested at 20°C. The surface tension of the purified water used to make the solution was also tested for reference. The surface tension of the purified water was 71.7mN/m at 20°C. The test item is not surface active
Description of key information
The surface tension of streams in this category is 71.2-72 mN/m, indicating that these streams are not surface active.
Key value for chemical safety assessment
- Surface tension:
- 71.6
- in mN/m at 20°C and concentration in mg/L:
- 198
Additional information
Data from GKA competence centre analytics (2008, 2008 & 2009) are available for three of the streams in this category (64742 -49 -0: 71.2 mN/m, 92128-65-9: 71.7 mN/m, 68476-55-1: 72.0 mN/m, all values measured at 90 % solution saturation and at 20°C). These data will be read across to all category members.
The mean of the surface tension values for the category is 71.6 mN/m at 20°C and this has been used to complete the 'key value for chemical safety assessment'. These values were given for a concentration of 90% saturation concentration and the 90% value has been applied to the mean water solubility in order to provide a concentration in mg/L.
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