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EC number: 918-919-9 | 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
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- Oxidation reduction potential
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- pH
- Dissociation constant
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- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
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- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
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- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
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- Nanomaterial pour density
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- Nanomaterial radical formation potential
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- Endpoint summary
- Stability
- Biodegradation
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- Environmental data
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- 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
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- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
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- Specific investigations
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- Additional toxicological data

Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2015-09-30 until 2016-12-14
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: SOP 00187 Version 3, this SOP corresponds to the Council Regulations EC No 440 / 2008, Guideline Part A – Methods for the Determination of physico-chemical properties, A.8, “Partition Coefficient”.
- Deviations:
- no
- Principles of method if other than guideline:
- In order to ensure a stable performance of the HPLC column, the column temperature was set to 40 °C. The reference Pow-values in the OECD guideline presumably refer to 25 °C. Even though the column temperature was 40 °C, this temperature has no influence on the result of the determination. Therefore the Pow -value of the test item determined within this study also refers to 25 °C.
- GLP compliance:
- yes
- Type of method:
- HPLC method
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- Date of receipt: 2014-07-03
Expiry date: 2016-07-01 - Analytical method:
- high-performance liquid chromatography
- Key result
- Type:
- log Pow
- Partition coefficient:
- 3.9
- Temp.:
- 25 °C
- pH:
- 7.2
- Remarks on result:
- other: Main component of the test item
- Details on results:
- The partition coefficient of the test item is determined to be: log Pow (range): 1.2 to 5.8.
Area % weighted log Pow for all peaks of the test item calculated with the area % of each detected HPLC peak and its corresponding log Pow value: log Pow (average): 3.9 (100 area % of the test item) - Conclusions:
- For phosphorothioyltris(oxybenzene-4,1-diylcarbamoyloxyethane-2,1-diyl) trisprop-2-enoate a partition coefficient of log Pow : 3.9 was determined.
- Executive summary:
The partition coefficient of the main component of the test item, phosphorothioyltris(oxybenzene-4,1-diylcarbamoyloxyethane-2,1-diyl) trisprop-2-enoate, is determined to be: log Pow : 3.9.
The determination of the partition coefficient by the HPLC-method was based on OECD Guidelines for Testing of Chemicals No: 117 “Partition Coefficient (n-octanol / water).
Reference
The solvent of the test item (ethyl acetate) should not be taken into account for the determination of the partition coefficient and was therefore not determined in this measurement.
Description of key information
For phosphorothioyltris(oxybenzene-4,1-diylcarbamoyloxyethane-2,1-diyl) trisprop-2-enoate a partition coefficient of log Pow : 3.9 was determined.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 3.9
- at the temperature of:
- 25 °C
Additional information
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Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.

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