Registration Dossier
Registration Dossier
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EC number: 221-067-4 | CAS number: 2997-01-5
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:
- 2012-02-22 - 2012-03-15
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Specific details on test material used for the study:
- - Batch n°: PFW090017
- Date CoA: 27.10.2011
- Water content: 0.12%
- Test Substance Name Jeffamine EDR-176
- Chemical Name 3,3-etheylenedioxybis(propylamine)
- CAS number 2997-01-5
- Batch Number PFW090017
- Description Colourless liquid
- Molecular Formula C8H20N2O2
- Molecular Weight 176 g.mol-1 - Key result
- Surface tension:
- 75.2 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension was determined to be 75.2 mN.m-1 (mean value) at 20°C.
- Executive summary:
The surface tension test, (RING method), is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A5.
The surface tension was determined to be 75.2 mN.m-1 (mean value) at 20°C.
Reference
Full test results:
| Test N° | Test temperature (°C) | Solution age (minutes) | Surface tension reading (mN/m) | Corrected value using calibration factor* (mN/m) | Corrected value for Harkins-Jordan Correction** (mN/m) |
| 1 | 20 | 5 | 68.5 | 74.9 | 74.9 |
| 2 | 20 | 10 | 69.0 | 75.5 | 75.5 |
Result : 75.2 mN.m-1 (mean value)
Note:
Measured value of the surface tension of water : 66.5 mN.m-1
EC standard reading for surface tension of water : 72.75 mN.m-1
Calibration factor is: (72.75 / 66.5) = 1.094
* The calibration factor is determined by measuring the Surface Tension of water and comparing the value obtained in literature.
** The corrected value is taken from a table compiled on the basis of the Harkins-Jordan correction. This correction factor is dependent on the dimensions of the measurement ring.
Description of key information
The surface tension test, (RING method), is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A5.
The surface tension was determined to be 75.2 mN.m-1 (mean value) at 20°C.
Key value for chemical safety assessment
- Surface tension:
- 75.2
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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