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EC number: 451-160-7 | CAS number: 17913-76-7
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:
- 2003
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: according to EC Directive 92/69/EEC and Regulation EC/440/2008 guideline methods under GLP conditions
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 33.4 mN/m
- Temp.:
- 20 °C
- Conc.:
- 90 vol%
- Remarks on result:
- other: 90 % saturated solution
- Conclusions:
- The surface tension at 20°C of a 90% saturated solution of 2,4,7,9-tetramethyldecane-4,7-diol was determined to be 33.4 mN/m.
- Executive summary:
The surface tension at 20°C of a 90% saturated solution of 2,4,7,9-tetramethyldecane-4,7-diol was determined to be 33.4 mN/m.
Reference
| Surface Tension Readings at 20°C | |
| Time after Preparation (min) | Surface Tension (mN/m) |
| 15 | 36.0 |
| 17 | 36.1 |
| 20 | 36.0 |
| 22 | 36.1 |
| 25 | 36.0 |
| Mean | 36.04 |
Description of key information
Determined according to OECD Guideline 115 and EC Directive 92/69/EEC Method A5.
33.4 mN/m at 20° C of a 90% saturated solution.
Key value for chemical safety assessment
- Surface tension:
- 33.4
- in mN/m at 20°C and concentration in mg/L:
- 1.4
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