Registration Dossier
Registration Dossier
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EC number: 279-632-6 | CAS number: 80939-62-4
- 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

Endpoint summary
Administrative data
Description of key information
Additional information
The compound is a uvcb substance consisting of negatively charged mono- or dihexylphosphate and positively charged di-tridecylamine in various C-chain compositions.
Hydrolysis
The amine components of the test substance are generally resistant to hydrolysis because they do not contain any labile functional groups. Regarding the phosphat components a study according to OECD 111 is available. Based on the results of this study it can be concluded that the phosphate components are hydrolytically stable.
Biodegradation
Biodegradation of the test item was determined using 3 studies that permit the screening for ready biodegradability. All studies show that the test item is not readily biodegradable according to OECD criteria
Bioaccumulation
The bioaccumulation potential of the test item was assessed in a weight of evidence approach using different QSAR models as well as other parameters, i.e. log Kow and Diammax aver. Some representative structures were not in the domains of some QSAR tools. Moreover, the UBA model does not take mitigating factors, e.g. water solubility or metabolism, into account. Therefore, these results should only be taken into account with reservation. Experimental data are not available.
In summary, representative structures of the uvcb substance were assessed in a weight of evidence approach to judge their potential to bioaccumulate. Neither the hexylphosphate part nor the tridecylamine part of the substance was found to have an increased potential to bioaccumulate. The BCF values of the representative structures are all clearly below the PBT cut-off criterion of 2000. Furthermore, under environmental conditions the single compounds are negatively (hexylphosphate) or positively (tridecylamine) charged which further decreases the potential to bioaccumulate.
In conclusion, significant accumulation in organisms is not to be expected.
Transport and distribution
The adsorption was calculated for the uncharged and the charged (under environmental conditions) constituents of the test item.
It can be concluded, that under environmental conditions (pH 4 - 7) mono- and di hexylphosphate will not adsorb to the solid soil phase. In contrast, for the di-tridecylamine (linar and branched) adsorption to the solid soil phases is expected
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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