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: 215-662-8 | CAS number: 1338-24-5
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:
- comparable to guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM D 1331
- GLP compliance:
- no
- Type of method:
- ring method
- Surface tension:
- ca. 31.8 mN/m
- Temp.:
- 23 °C
- Remarks on result:
- other: No concentration value is specified
- Conclusions:
- The surface tension of naphthenic acids is about 31.8 mN/m
Reference
| Surface Tension (mN/m) | |||
| Measuerment number | Essay 1 | Essay 2 | Essay 3 |
| 1 | 31.9 | 31.9 | 31.9 |
| 2 | 31.8 | 31.8 | 31.8 |
| 3 | 31.8 | 31.8 | 31.8 |
| 4 | 31.8 | 31.8 | 31.8 |
| 5 | 31.8 | 31.8 | 31.8 |
| 6 | 31.8 | 31.8 | 31.8 |
| 7 | 31.8 | 31.8 | 31.8 |
| 8 | 31.8 | 31.8 | 31.8 |
| 9 | 31.8 | 31.8 | 31.8 |
| 10 | 31.8 | 31.8 | 31.8 |
| Average | 31.8 | 31.8 | 31.8 |
| Average | 31.8 | ||
Description of key information
The surface tension of a batch of naphthenic acids is measured in an experimental study (Dussart, 2012) assigned as key study and considered reliable without restrictions (K1) using the ASTM D 1331 method and has a value of 38.1 mN/m.
Key value for chemical safety assessment
- Surface tension:
- 31.8
Additional information
The temperature at which the test was performed is 23 +/- 2°C.
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.
