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EC number: 292-282-9 | CAS number: 90583-79-2
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 13.11.2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guidelineopen allclose all
- 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:
- 2008
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- consilab, Gesellschaft für Anlagensicherheit mbH, Industriepark Höchst, G830/G840, 65926 Frankfurt am Main (Germany)
- Type of method:
- ring method
Test material
- Reference substance name:
- L-Threonine, N-coco acyl derivs., monosodium salts
- Cas Number:
- 90583-79-2
- Molecular formula:
- n/a
- IUPAC Name:
- L-Threonine, N-coco acyl derivs., monosodium salts
- Test material form:
- solid
Constituent 1
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Ajinomoto Co., Inc., 15-1, Kyobashi 1-chome, Chuo-ku, Tokyo 104-8315, Japan, Batch No.: 160329
- Expiration date of the lot/batch: 2019-03-29
- Purity test date: 2016-06-09
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: stored at ambient temperature
Results and discussion
Surface tension
- Key result
- Surface tension:
- 25.4 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1.03 g/L
Applicant's summary and conclusion
- Conclusions:
- The test item has a mean surface tension of 25.4 mN/m at 20°C. Based on this result, the test item is to be regarded as a surface-active substance.
- Executive summary:
The surface tension of the test item was investigated in a study conducted according to OECD Guideline 115 (Surface Tension of Aqueous Solutions; 1995) and EU Method A.5 (Surface Tension; 2008) using the ring method. The mean surface tension was determined to be 25.4 mN/m at 20°C and thus indicating surface-active properties.
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