Registration Dossier
Registration Dossier
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EC number: 600-254-8 | CAS number: 10195-54-7
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:
- 1998
- 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)
- Version / remarks:
- 1995
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- 1992
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Key result
- Surface tension:
- 72.5 mN/m
- Temp.:
- 20.2 °C
- Conc.:
- 1.02 g/L
- Conclusions:
- In a test according to OECD 115 the sufface tension of the test substance was determined to be 72.5 mN/m at 20.2°C.
- Executive summary:
The determination of the surface tension of the test item was based on the OECD Guideline No. 115: "Surface Tension of Aqueous Solutions" (1995) and on the EEC Directive 92/69, Part A, Methods for the determination of physico-chemical properties, A.5 "Surface tension", EEC Publication No. L383, December 1992. The calibration factor was determined to be 1.053 for Milli-Q water. From the individual measurements for the surface tension of the aqueous test article solution the mean and the corrected value for the given solution were calculated. The tabulated values represent rounded results obtained from calculation using the exact raw data. In conclusion, the surface tension of GAP in water (at a concentration of about 1.02 g/L) was determined to be 72.5 mN/m at 20.2 °C. Based on the criteria as outlined in the OECD Guideline, GAP should not be regarded as a surface active substance.
Reference
Description of key information
In a test according to OECD 115 the sufface tension of the test substance was determined to be 72.5 mN/m at 20.2°C.
Key value for chemical safety assessment
- Surface tension:
- 72.5
- in mN/m at 20°C and concentration in mg/L:
- 1 020
Additional information
The determination of the surface tension of the test item was based on the OECD Guideline No. 115: "Surface Tension of Aqueous Solutions" (1995) and on the EEC Directive 92/69, Part A, Methods for the determination of physico-chemical properties, A.5 "Surface tension", EEC Publication No. L383, December 1992. The calibration factor was determined to be 1.053 for Milli-Q water. From the individual measurements for the surface tension of the aqueous test article solution the mean and the corrected value for the given solution were calculated. The tabulated values represent rounded results obtained from calculation using the exact raw data. In conclusion, the surface tension of GAP in water (at a concentration of about 0.1 %) was determined to be 72.5 mN/m at 20.2 °C. Based on the criteria as outlined in the OECD Guideline, GAP should not be regarded as a surface active substance.
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