Registration Dossier
Registration Dossier
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EC number: 605-399-0 | CAS number: 165252-70-0
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:
- 31/08/2000 - 09/01/2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP, Guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Key result
- Surface tension:
- 72 mN/m
- Temp.:
- 20.2 °C
- Conc.:
- 0.1 vol%
- Conclusions:
- Surface tension of dinotefuran in water (at a concentration of about 0.1%) is determined to be 72 mN/m at 20.2°C ± 0.2°C. Based on the criteria as outlined in the OECD Guideline, dinotefuran is not a surface active substance.
Reference
Determination of the surface tension of the test item solution
Time expired (hours : min) |
Temperature (ºC) |
Surface tension (mN/m) |
||
measured |
mean value calculated from the bold values (δ*) |
corrected for calibration and for Harkins-Jordan (δ) |
||
First sample |
|
|
||
00:02 |
20.1 |
72.1 |
||
00:03 |
20.1 |
71.8 |
||
00:09 |
20.3 |
71.8 |
||
00:10 |
20.3 |
71.7 |
||
00:12 |
20.4 |
71.8 |
||
Second sample |
||||
00:01 |
20.1 |
71.8 |
||
00:02 |
20.1 |
71.7 |
||
00:09 |
20.3 |
71.6 |
||
00:10 |
20.3 |
71.8 |
||
00:11 |
20.4 |
71.7 |
71.78 |
72.05 |
Where:
δ* · Φb · Fc = δ (71.78 · 1.0039 · 0.9999 = 72.05)
Φb = calibration factor = 1.0039
Fc = factor for correction acc. To Harkins-Jordan = 0.9999 for 71.8 mN/m
Description of key information
Key value for chemical safety assessment
- Surface tension:
- 72
- 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.
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