Registration Dossier
Registration Dossier
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 222-079-2 | CAS number: 3338-24-7
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:
- 12.06.2012-16.08.2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- no
- Type of method:
- OECD harmonised ring method
- Key result
- Surface tension:
- > 68.1 - < 74.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension is 71.3 ± 3.2
Reference
Determination 1 |
Determination 2 |
|
Calibration factor (Φ a) |
1.081 |
|
Application rate |
0.10 g / 100 ml (deionized water) |
|
Time between preparation and measurement of the solution [min] |
90 |
|
Measurement temperature [ºC] |
20 |
|
Time between individual measurements [s] |
30 |
|
Measured values [mN/m] |
68.0 / 68.2 / 68.2 / 68.5 / 68.5 / 68.5 ≡ 68.3 |
72.2 / 72.4 /72.3 / 72.4 / 72.4 /72.4 ≡ 72.4 |
Values x calibration factor (Φ a) [mN/m] |
73.8 |
78.3 |
Precise values after interpolation according to Harkins and Jordan [mN/m] |
69.0 |
73.5 |
≡ 71.3 ± 3.2 |
||
Description of key information
The surface tension at 20ºC is 71.3 ± 3.2
Key value for chemical safety assessment
- Surface tension:
- 71.3
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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.
