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EC number: 271-663-3 | CAS number: 68603-55-4
- 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:
- 2018
- 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
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- plate method
- Key result
- Surface tension:
- >= 35.42 - <= 36.8 mN/m
- Temp.:
- 22.2 °C
- Conc.:
- 257.24 mg/L
- Conclusions:
- During the specified period of time, no significant changes in the surface tension were detected. Values ranging from 35.42 mN/m to 36.84 mN/m were recorded showing no significant variations. The values of the single determinations show no significant difference 0.25 % between mean values of the two measurement series). As the determined surface tension of Deophos 228 was lower than 60 mN/m, the test item can be classified as surface active.
- Executive summary:
The surface tension of an aqueous solution of Deophos228 was determined as 35.72 ± 0.40 mN/m at 20.4 °C. One measurement was performed for verification (after 59 minutes). No significant changes and thus no significant dependence on time was observed. As these values were lower than 60 mN/m, Deophos228 was classified as surface active. The surface tension of the negative control lay within the accepted range. The concentration of the test item in the 90% saturated test solution was determined with 257.24 mg test item/L (based on analysis of dissolved organic carbon in the test solution). The saturated solution was obtained from an aqueous solution prepared with 1.00 g/L of test item shaking for 72h at 18.5 – 23.7 °C in a closed Schott-flask at 150 rpm.
Reference
Measurement |
Time |
Mass |
Surface Tension |
Temperature |
No |
s |
g |
mN/m |
°C |
1 |
4.1 |
0.2969 |
72.43 |
22.2 |
2 |
5.1 |
0.2965 |
72.33 |
22.2 |
3 |
6.1 |
0.2964 |
72.31 |
22.2 |
4 |
7.2 |
0.2964 |
72.31 |
22.2 |
5 |
8.1 |
0.2967 |
72.38 |
22.2 |
6 |
9.1 |
0.2963 |
72.28 |
22.2 |
7 |
10.1 |
0.2966 |
72.35 |
22.2 |
8 |
11.1 |
0.2965 |
72.33 |
22.2 |
9 |
12.1 |
0.2964 |
72.31 |
22.2 |
10 |
13.1 |
0.2963 |
72.28 |
22.2 |
Mean |
72.33 |
|
||
Standard Deviation |
0.05 |
|
The values of the single determinations show no significant difference (0.25% between mean values of the two measurement series). All measured values lay clearlybelowthe threshold for surface tension which is stated in the guidelines.
The surface tension of the negative control was determined with a difference of 0.10 % from the stated literature value.
Therefore, the result of the test is considered valid and the test itemDeophos 228is classified as “surface active” in a concentration of 257.24 mg/L (in a solution at 90% saturation obtained from an aqueous solution prepared with 1.00 g/L of test item shaking for 72h at 18.5 – 23.7 °C in a closed Schott-flask at 150 rpm..
Description of key information
The surface tension was determined according to OECD Guideline 115.
Key value for chemical safety assessment
- Surface tension:
- 35.72
- in mN/m at 20°C and concentration in mg/L:
- 257.24
Additional information
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