Registration Dossier
Registration Dossier
Diss Factsheets
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EC number: 911-616-2 | 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

Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Remarks:
- The determination of the partition coefficient for the substance is difficult due to its composition (reaction mass) and due to the fact that it is a surfactant which is ionisable. The proposed approach in the Guidance on information requirements and chemical safety assessment R.7.1.8 for surfactants was followed. Thus the comparison was performed of measured solubilities in octanol and water, using for the latter the critical micelle concentration in water as the solubility limit.
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The proposed approach in the Guidance on information requirements and chemical safety assessment R.7.1.8 for surfactants was followed.
- GLP compliance:
- no
- Type of method:
- other: calculation
- Partition coefficient type:
- octanol-water
- Type:
- log Pow
- Partition coefficient:
- 1.17
- Remarks on result:
- other: LogPow of C16MES was calculated as the Quotient of the n-octanol solubility (see section 4.9) and the CMC (see section 4.8) of C16MES
- Type:
- log Pow
- Partition coefficient:
- 1.74
- Remarks on result:
- other: LogPow of C18MES was calculated as the Quotient of the n-octanol solubility (see section 4.9) and the CMC (see section 4.8) of C18MES
Reference
Description of key information
The calculated logPow of C16MES was determined to be 1.17
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 1.17
- at the temperature of:
- 25 °C
Additional information
The proposed approach in the Guidance on information requirements and chemical safety assessment R.7.1.8 for surfactants was followed. Thus the comparison was performed of measured solubilities in octanol and water, using for the latter the critical micelle concentration in water as the solubility limit.
Both calculated values will be used separately for the separate CSA of both components:
Key value for CSA for C16MES is 1.17
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