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EC number: 947-853-3 | 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
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2009-10-12 to 2009-12-07
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- - Principle of test:
RP-HPLC method with charged aerosol detection (CAD)
- Short description of test conditions: hydrogenated tallow/nortallow based IQAC is a mixture of components the determination of the water solubility was
referred to the particular main components. For the determination of the water samples these three substances were analysed. The quantification was based on an external standard calibration derived from the test sample described above. The total water solubility of hydrogenated tallow/nortallow based IQAC was calculated as their sum. Three 5L glass aspirator bottles were rinsed prior to use with a mixture 1:1 methylene chloride : acetone followed by petrolether 30/40. The bottles were dried by a gentle nitrogen flow and rinsed three times with Millipore Type I water. A 4 cm glass-coated stir bar was placed in each bottle. The bottles were placed on magnetic stir plates and filled each with 5L Millipore Type I water. The tests were performed at approximately 22°C. The water was stirred quiescently with no visible vortex (< 90 rpm). After 24 h equilibration time about 250 mg test substance is added to each bottle. Samples were taken after 24 h, 12d , and 14d. Prior sampling the mixing was stopped 1h before. A 150 – 200 ml aliquot was removed from the vessels. The first 100 ml were discarded and the rest was collected in Nalgene bottles. As it was impossible to separate the water phase by centrifugation the solutions were filtrated under pressure with PORAFIL ® PE 0,05 m (part no. 671005047). Beaker, filter, and filtration unit were pre-conditioned with sample solution to avoid sample adsorption. The clear water phases were analysed by HPLC.
- Parameters analysed / observed: Recovery of the test item in water determined by HPLC-CAD. - GLP compliance:
- no
- Type of method:
- other: slow stirring method (Letinski et al, 2002, Chemosphere 48)
- Key result
- Water solubility:
- < 0.5 mg/L
- Conc. based on:
- act. ingr.
- Remarks:
- C16/C16 imidazolinium quat
- Incubation duration:
- 14 d
- Temp.:
- 22 °C
- Remarks on result:
- other: pH was not reported
- Key result
- Water solubility:
- < 0.5 mg/L
- Conc. based on:
- act. ingr.
- Remarks:
- C16/C18 imidazolinium quat
- Incubation duration:
- 14 d
- Temp.:
- 22 °C
- Remarks on result:
- other: pH was not reported
- Key result
- Water solubility:
- < 0.5 mg/L
- Conc. based on:
- act. ingr.
- Remarks:
- C18/C18 imidazolinium quat
- Incubation duration:
- 14 d
- Temp.:
- 22 °C
- Remarks on result:
- other: pH was not reported
- Conclusions:
- The water solubility of hydrogenated tallow/nortallow based IQAC is considered to be < 0.5 mg/L at 22°C.
- Executive summary:
In the present study a HPLC-CAD was performed in order to determine the water solubility of hydrogenated tallow/nortallow based IQAC. Hydrogenated tallow/nortallow based IQAC is composed of three constituents and none of the constituents was detected after 24h, 12 days and 14 days above the detection limits for each constituent. Thus, the water solubility of hydrogenated tallow/nortallow based IQAC is considered to be < 0.5 mg/L at 22°C.
Reference
Table 2: Results of the HPLC-CAD
Day |
1 |
12 |
14 |
||||||
|
W75H 1-1 |
W75H 1-1 |
W75H 1-1 |
W75H 1-1 |
W75H 1-1 |
W75H 1-1 |
W75H 1-1 |
W75H 1-1 |
W75H 1-1 |
C 16 /C 16 imidazolinium quat |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
C 16 /C 18 imidazolinium quat |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
C 18 /C 18 imidazolinium quat |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
n.d. |
Description of key information
- Determination of water solubility using HPLC-CAD
Key value for chemical safety assessment
- Water solubility:
- 0.1 mg/L
- at the temperature of:
- 22 °C
Additional information
In the present study a HPLC-CAD was performed in order to determine the water solubility of hydrogenated tallow/nortallow based IQAC. Hydrogenated tallow/nortallow based IQAC is composed of three constituents and none of the constituents was detected after 24h, 12 days and 14 days above the detection limits for each constituent. Thus, the water solubility of hydrogenated tallow/nortallow based IQAC is considered to be < 0.5 mg/L at 22°C.
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