Registration Dossier
Registration Dossier
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EC number: 275-602-1 | CAS number: 71550-21-5
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Surface tension:
- 60.2 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension of Bayscript gelb GGN was determined as 60.2 mN/m at a concentration of 1 g/L and 20 °C.
- Executive summary:
The test was performed as stipulated in EC Test Procedure A.5 ‘Surface Tension' and DIN EN 14370 ‘Surface active agents – determination of surface tension’ by ring method. In this test the force is measured which is necessary to draw a horizontal ring, which is horizontal suspended from the surface of liquid.
The concentration of Bayscript gelb GGN in double destillated water was 0.1 %. The temperature of the solution at the time of the test was 20 °C. Time of tempering was 13 minutes. The calculation of the surface tension was done under consideration of the correction of the test equipment and according to Zuidema and Waters by measuring device.
The surface tension of Bayscript gelb GGN was determined as 60.2 mN/m at a concentration of 1 g/L and 20 °C.
Reference
The calculation of the surface tension was done under consideration of the correction of the test equipment and according to Zuidema and Waters by measuring device.
Description of key information
The test was performed as stipulated in EC Test Procedure A.5 by ring method. The surface tension of Bayscript gelb GGN was determined as 60.2 mN/m at a concentration of 1 g/L and 20 °C.
Key value for chemical safety assessment
- Surface tension:
- 60.2
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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