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EC number: 261-351-5 | CAS number: 58594-72-2
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
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- Surface tension
- Flash point
- Auto flammability
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- Oxidation reduction potential
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- Dissociation constant
- Viscosity
- Additional physico-chemical information
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- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
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- Endpoint summary
- Stability
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- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
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- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
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- Specific investigations
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- Additional toxicological data

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:
- 11 February - 9 April 2002
- 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)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- not specified
- Type of method:
- ring method
- Specific details on test material used for the study:
- - Batch n°: ZR027180PUG231
- Analytical purity: 99.3%
- Expiration date: 9 November 2006
- Storage condition: at room temperature, 10 to 30°C - Key result
- Surface tension:
- 58.6 mN/m
- Temp.:
- 20 °C
- Remarks on result:
- other: No concentration was reported but the test was conducted using a normal working dilution
- Conclusions:
- The surface tension at 20°C of an aqueous solution of the test substance at the normal working dilution was determined to be 58.6 mN/m.
Reference
The measured mean surface tension of pure water was
determined to be 71.94 mN/m, the literature value at this temperature is
72.75 mN/m and therefore the calibration factor was determined to be
1.0113.
The results for the test substance solution, which was prepared at the
normal working dilution, are presented in the table below.
Table: Surface Tension Readings at 20°C
Time after filling vessel (min) | Surface Tension (mN/m) |
58 | 59.2 |
59 | 59.2 |
60 | 59.2 |
61 | 59.1 |
62 | 59.1 |
Mean | 59.16 |
After application of the calibration factor, the mean result was 59.8 mN/m. This result is lower than 60 mN/m, md therefore correction using the Harkins-Jordan factor was performed.
The mean corrected result was 58.6 mN/m.
Description of key information
From a key study (K1, Bates, 2002) according to OECD guideline 115 and
EC method A.5, the surface tension of the test substance at the normal
working dilution and at 20°C was determined to be 58.6 mN/m.
Key value for chemical safety assessment
- Surface tension:
- 58.6
Additional information
The measured mean surface tension was determined for a normal working dilution of the test substance
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