Registration Dossier
Registration Dossier
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EC number: 216-700-6 | CAS number: 1643-20-5
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 02/07/2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- There is the possibility of some degradation of the test substance, although result is in line with expectations
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Surface tension:
- 34.1 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19-05-2014 - 28-11-2014
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- Non-GLP
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- yes
- Remarks:
- Temperature controlled at 25 deg C instead of 20 deg C.
- GLP compliance:
- no
- Type of method:
- OECD harmonised ring method
- Surface tension:
- 31.18 mN/m
- Temp.:
- 25 °C
- Conc.:
- 1 g/L
- Conclusions:
- The substance is surface active
- Executive summary:
The surface tension of C12 AO has been determined to be 31.18 mN/m at a concentration of 1 g/L at 25 °C using a harmonised ring method according to OECD TG 115. The substance is considered to be surface-active.
Referenceopen allclose all
The calibration factor is determined by measuring the Surface Tension of water and comparing the value obtained in literature. The corrected value is taken from a table compiled on the basis of the Harkins-Jordan correction.
see attached file
Description of key information
The surface tension is 31.18 mN/m at 25 °C.
Key value for chemical safety assessment
- Surface tension:
- 31.18
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The surface tension of C12 AO has been determined to be 31.18 mN/m at a concentration of 1 g/L at 25 °C using a harmonised ring method according to OECD TG 115 [Calvo X (2014)] . The substance is considered to be surface-active.
The result of this study is supported by a study performed in accordance with EC Method A.5 (ring method) using C12 -14 AO where a surface tension value of 34.1 mN/m at 20°C was derived[Younis S (2010)].
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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