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Diss Factsheets
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EC number: 812-548-5 | CAS number: 1621424-03-0
- 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
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 04 Sep 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guidelineopen allclose all
- 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:
- yes (incl. QA statement)
- Remarks:
- Landesamt für Umwelt, Wasserwirtschaft und Gewerbeaufsicht, Mainz, Germany
- Type of method:
- plate method
Test material
- Reference substance name:
- {[4-({dimethyl[3-(prop-2-enamido)propyl]azaniumyl}methyl)phenyl]methyl}dimethyl[3-(prop-2-enamido)propyl]azanium dichloride
- EC Number:
- 812-548-5
- Cas Number:
- 1621424-03-0
- Molecular formula:
- C24H40Cl2N4O2
- IUPAC Name:
- {[4-({dimethyl[3-(prop-2-enamido)propyl]azaniumyl}methyl)phenyl]methyl}dimethyl[3-(prop-2-enamido)propyl]azanium dichloride
Constituent 1
Results and discussion
Surface tension
- Surface tension:
- 72.8 mN/m
- Temp.:
- 19.8 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
Findings Main test
The test item solution was held at constant temperature (20.0 ± 0.2 °C). 59 minutes after conclusion of the first measurement series, a second measurement series was performed for verification purposes. 10 measurements were done for each test series.
|
Mean surface tension (mN/m)
|
Standard deviation
|
First series
|
72.80 |
0.05 |
Second series
|
72.68 |
0.09 |
After the first and the second measurement series, the difference between mean values was less than 5%. Therefore no additional measurement series was required.
Result test item
During the specified period of time, no significant changes in the surface tension were detected.
Values ranging from 72.62 mN/m to 72.92 mN/m were recorded showing no significant variations. The values of the single determinations show no significant difference (0.16%) between mean values of the two measurement series)
As the determined surface tension of the test item was higher than 60 mN/m, the test item can be classified as not surface active.
Validity
The surface tension of water at the measuring temperature was calculated using the following equation:σ= B r^µ(1+br)
With
σ: Surface tension in mN/m
B: Constant 235.8 mN/m
r: 1- T/Tc
T: absolute temperature in K
Tc: critical temperature 647.096 K
µ: constant 1.256
b: constant -0.625
The constants result from the graph of the equation of function in temperature dependence of the surface tension of water.
The calculated value for the surface tension of H2O at 20.8 °C is: 72.61 mN/m
The surface tension of the negative control was determined with 72.62 mN/mat 20.8 °C, therefore showing a difference of 0.01 % from the calculated value. The difference lies within the accepted range of 1% deviation from the calculated value.
Discussion
The values of the single determinations show no significant difference (0.16% between mean values of the two measurement series). All measured values lay clearly above the threshold for surface tension which is stated in the guidelines.
The surface tension of the negative control was determined with a difference of 0.01% from the stated literature value.
Therefore, the result of the test is considered valid and the test item is classified as “not surface active” in a concentration of 1.00 g/L.
Applicant's summary and conclusion
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