Registration Dossier
Registration Dossier
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EC number: 214-787-5 | CAS number: 1194-65-6
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:
- 16 August 2001 to 21 August 2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- yes
- Remarks:
- The result was not corrected using the Harkins-Jordan correction table as the correction is not applicable to the apparatus used. Once calibrated, the balance and ring assembly used in this test gave a direct reading that is within the required accuracy
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 68.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 0.016 g/L
- Conclusions:
- Under the conditions of the test, the surface tension of the test material was determined to be 68.5 mN/m using the ring method.
- Executive summary:
In a GLP compliant surface tension study conducted in accordance with standardised guideline EU Method A.5, the surface tension of the test material was determined using the ring method. Under the conditions of the test, the surface tension of the test material was determined to be 68.5 mN/m at 20 ± 0.5 ºC.
Reference
Table 1: Results
| Time (mins) | Reading (mN/m) | Temperature (ºC) |
| 70 | 68.0 | 20 |
| 76 | 68.5 | 20 |
| 85 | 69.0 | 20 |
| 118 | 68.5 | 20 |
| 125 | 69.0 | 20 |
| 140 | 69.0 | 20 |
Mean reading = 68.7 mN/m
Surface tension = reading x calibration factor = 68.7 x 0.997 = 68.5 mN/m
pH of sample solution = 5.71
Description of key information
The surface tension of the test material was determined to be 68.5 mN/m according to a study performed in line with EU Method A.5.
Key value for chemical safety assessment
- Surface tension:
- 68.5
- in mN/m at 20°C and concentration in mg/L:
- 0.016
Additional information
The key study (Evans, 2001) was performed in line with GLP and a standardised guideline with a sufficient level of detail to assess the quality of the study. The study was performed to a good standard and was assigned a reliability score of 1 using the principle for assessing data quality as set out in Klimisch (1997).
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
