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EC number: 200-184-4 | CAS number: 53-84-9
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- June - November 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- Nadide
- EC Number:
- 200-184-4
- EC Name:
- Nadide
- Cas Number:
- 53-84-9
- Molecular formula:
- C21H27N7O14P2
- IUPAC Name:
- nadide
- Details on test material:
- - Substance type: organic
- Physical state: off-white powder
- Storage condition of test material: in refrigerator (2-8°C)
Constituent 1
Results and discussion
Surface tension
- Key result
- Surface tension:
- ca. 73 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Applicant's summary and conclusion
- Conclusions:
- The OECD harmonized ring method was applied for the determination of the surface tension of nadide.
The surface tension of a test solution at a concentration of 1 g/l in water and at 20°C was 73.0 mN/m.
According to this, the test substance is considered not to be surface active. - Executive summary:
The surface tension of the test substance was determined using the OECD harmonized ring method.
A test solution of the test substance was prepared in double distilled water at a concentration of 1 g/l. Five measurements
were performed until a constant value on the surface tension was reached (0.5 mN/m). The time passed since the solution was transferred to the measurement vessel was measured for each measurement.
The test was performed at 20.0 ± 0.5°C.
A test substance with a surface tension < 60 mN/m will be regarded as being a surface active material.
The surface tension of a test solution at a concentration of 1 g/l in water and at 20°C was 73.0 mN/m.
According to this, the test substance is considered not to be surface active.
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