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EC number: - | CAS number: -
- 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
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- 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
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- 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:
- Experiment start date - 17 March 2010; Experiment completion date - 18 March 2010; Study completion date - 19 April 2010.
- 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)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- ring method
- Specific details on test material used for the study:
- Identification: FAT 40851/A TE
Batch Number: TZ 5891 / BOP 02-09
Purity: 69.9 % all coloured components
Appearance: Orange powder
Expiry Date: July 31, 2014
Storage Conditions: At room temperature at about 20 °C - Surface tension:
- 66.7 mN/m
- Temp.:
- 19.8 °C
- Conc.:
- 1 vol%
- Remarks on result:
- other: Not surface active according to the guideline criteria
- Conclusions:
- The surface tension of test substance in water (at a concentration of about 0.1 %) was determined to be 66.7 mN/m at 19.8 °C.
- Executive summary:
The determination of the surface tension of an aqueous solution of test substance was based on the OECD Guideline No. 115: “Surface Tension of Aqueous Solutions” (1995) and on the EEC Directive 92/69, EEC Publication No. L383, December 1992 and the Council Regulation (EC) No. 440/2008, 30 May 2008, Part A, Methods for the determination of physico-chemical properties, A.5 “Surface tension”. The determination of the surface tension was accomplished by means of a tensiometer, using the ring method under GLP. The force which was required to withdraw a horizontally suspended ring from the surface of the solution is measured. The calibration factor Φb was determined to be 1.0371 for double distilled water. The mean and the corrected value for the given solution were calculated. The surface tension of test substance in water (at a concentration of 0.1%) was determined to be 66.7 mN/m at 19.8 °C. Based on the criteria as outlined in the EEC Guideline and the results of this study, test substance has to be considered as a not surface active substance.
Reference
Determination of the Calibration Factor Using Water
Time expired |
Temperature |
Surface tension [mN/m] |
Calibration factor
|
|
Measured
|
Mean value calculated from the bold values |
Φb |
||
00:31 |
19.5 |
70.4 |
70.22 |
1.0371 |
00:32 |
19.5 |
70.3 |
||
00:34 |
19.5 |
70.2 |
||
00:35 |
19.5 |
70.2 |
||
00:36 |
19.5 |
70.1 |
||
00:37 |
19.5 |
70.1 |
with
σo = 72.825 mN/m at 19.5 °C
Φb = σo/ σg = 72.825 / 70.22 = 1.0371
where
Φb = calibration factor
σo = the surface tension of water at the test temperature
σg = measured value of the surface tension of water
at the test temperature
Table 2: Determination of Surface Tension for the Test Item Solution
Time expired |
Temperature
|
Surface tension |
[mN/m] |
||
mean value calculated from the bold values |
mean value corrected for calibration |
σ1 -corrected for Harkins-Jordan |
|||
[hours:min] |
[°C] |
[mN/m] |
(σ*) |
(σ1) |
(σ) |
First Sample |
|||||
0:33 |
19.8 |
64.7 |
64.70 |
67.10 |
66.71 |
0:34 |
19.8 |
64.7 |
|||
0:35 |
19.8 |
64.7 |
|||
0:36 |
19.8 |
64.7 |
|||
0:37 |
19.8 |
64.7 |
|||
0:38 |
19.8 |
64.7 |
|||
Second sample |
|||||
0:34 |
19.8 |
64.6 |
64.60 |
67.00 |
66.60 |
0:35 |
19.8 |
64.6 |
|||
0:36 |
19.8 |
64.6 |
|||
0:37 |
19.8 |
64.6 |
|||
0:38 |
19.8 |
64.6 |
|||
0:39 |
19.8 |
64.6 |
Mean value from both samples: σ = 66.7 mN/m
With
σ* ∙Φb=σ1, Φb = 1.0371,
Φb: calibration factor
and
σ1 ∙ Fc = σ
Fc= 0.991 mN/m for σ1= 67.10 mN/m and
Fc= 0.990 mN/m for σ1= 67.00 mN/m
Fc: factor for correction acc. to Harkins-Jordan
Description of key information
The surface tension of test substance in water (at a concentration of 0.1 %) was determined to be 66.7 mN/m at 19.8 °C.
Key value for chemical safety assessment
- Surface tension:
- 66.7
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The determination of the surface tension of an aqueous solution of test substance was based on the OECD Guideline No. 115: “Surface Tension of Aqueous Solutions” (1995) and on the EEC Directive 92/69, EEC Publication No. L383, December 1992 and the Council Regulation (EC) No. 440/2008, 30 May 2008, Part A, Methods for the determination of physico-chemical properties, A.5 “Surface tension”. The determination of the surface tension was accomplished by means of a tensiometer, using the ring method under GLP. The force which was required to withdraw a horizontally suspended ring from the surface of the solution is measured. The calibration factor Φb was determined to be 1.0371 for double distilled water. The mean and the corrected value for the given solution were calculated. The surface tension of test substance in water (at a concentration of 0.1 %) was determined to be 66.7 mN/m at 19.8 °C. Based on the criteria as outlined in the EEC Guideline and the results of this study, test substance has to be considered as a not surface active substance.
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