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EC number: 926-197-1 | CAS number: -
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 24 August 2015-17 November 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-compliant study in accordance with EC A.5 and OECD 115.
Data source
Referenceopen allclose all
- Reference Type:
- other: study amendment
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 015
- Report date:
- 2015
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Version / remarks:
- (2008)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Version / remarks:
- (1995)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- 5-[(S)-4-Carboxy-4-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-butyrylamino]-2-nitro-benzoic acid
- EC Number:
- 926-197-1
- Cas Number:
- 2561176-48-3
- Molecular formula:
- C20 H15 N3 O9
- IUPAC Name:
- 5-[(S)-4-Carboxy-4-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-butyrylamino]-2-nitro-benzoic acid
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name (as cited in study report): P-Glupa-C
- Appearance: yellow powder
- Storage conditions: at room temperature
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 72 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
Table: Surface tension measurements
Measurement |
Time passed after transfer test solution to test vessel |
Surface tension [mN/m] |
||
individual |
mean |
mean (1) |
||
|
|
|
|
|
1 |
17 |
69.8 |
|
|
2 |
18 |
69.8 |
69.9 |
72.0 |
3 |
19 |
70.0 |
|
|
4 |
20 |
69.9 |
|
|
5 |
21 |
69.9 |
|
|
|
|
|
|
|
(1) Multiplied by the calibration factor followed by correction according to Harkins-Jordan.
Applicant's summary and conclusion
- Conclusions:
- In a GLP-compliant study in accordance with EC A.5 and OECD 115 using the OECD harmonized ring method, the surface tension at 20°C of a 1 g/L aqueous test substance solution has been determined as 72.0 mN/m. The substance is not surface active according to the criterium in the EC A.5 guideline.
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