Registration Dossier
Registration Dossier
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EC number: 248-704-9 | CAS number: 27871-49-4
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:
- 2010-04-19 to 2010-09-03
- 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:
- adopted July 27, 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- adopted May 31, 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- OECD harmonised ring method
- Specific details on test material used for the study:
- - Identification: PURASOLV@ ML
- Description: Clear colourless liquid
- Batch: 2010-03-22
- Purity: 99.03%
- Storage: At room temperature in the dark under nitrogen
- Expiry date: 2011-03-19 - Key result
- Surface tension:
- 72.5 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension of methyl (S)-lactate at a concentration of 1 g/L in water at 20 °C was 72.5 mN/m. The test substance is considered not to be surface active.
- Executive summary:
In a GLP study conducted according to OECD 115 and EU method A.5, the OECD harmonized ring method was used for the determination of the surface tension of methyl (S)-lactate.
The surface tension of a test solution at a concentration of 1 g/L in water and at 20 °C was 72.5 mN/m. The test substance is considered not to be surface active.
Reference
Table 1: Results
Experimental value mN/m |
Corrected value mN/m |
Experimental value mN/m |
Corrected value m N/m |
20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 |
18.1 20.1 22.1 24.1 26.1 28.1 30.1 32.1 34.1 36.1 38.2 40.3 42.3 44.4 46.5 |
50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 |
48.6 50.7 52.8 54.9 57.0 59.1 61.3 63.4 65.5 67.7 69.9 72.0 74 76 78 |
Correction of the measured surface tension was done according to Harkins-Jordan.
Description of key information
The surface tension of a test solution of methyl (S)-lactate at a concentration of 1 g/L in water and at 20 °C was 72.5 mN/m.
The test substance is not considered to be surface active.
Key value for chemical safety assessment
- Surface tension:
- 72.5
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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