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Diss Factsheets
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EC number: 479-940-2 | CAS number: 613246-75-6
- 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
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Data waiving:
- study technically not feasible
- Justification for data waiving:
- other:
Reference
Description of key information
The performance of the adsorption/desorption screening test with the Sika Härter LJ is technically not feasible because of tits rapid hydrolisation. An evaluation of the adsorption potential of its hydrolysis products is scientifically unjustified in accordance with REACH Annex VIII, section 9.3.1, column 2.
Key value for chemical safety assessment
Additional information
Non-submission justification:
In accordane with REACH Annex VIII, section 9.3.1 a study on adsorption/desorption has to be performed. However, the performance of the adsorption/desorption screening test is technically not feasible and scientifically unjustified.
Upon contact with water, the substance rapidly degrades within seconds. The hydrolysis depending from the pH was measured by using flow injection analysis mass spectrometry (FIA-MS) (please refer to IUCLID section 5.1.2). It was demonstrated that the substance rapidly, i.e. within seconds to minutes, hydrolytically degrades to Polyetheramin D230 (CAS No. 9046-10-0) and 2,2-Dimethyl-3-lauroyloxy-propanal (CAS No. 102985-93-3). A study on adsorption/desorption of the registered substance is thus technically not feasible. Therefore, in accordance with REACH Annex XI, this endpoint was waived.
Both hydrolysis products are of no concern for adsorption/desorpion. The log Pow of the hydrolysis product Polyetheramin D230 is very low (log Pow = 1.34 at 25 °C, please refer to the dissiminated ECHA REACH dossier for CAS 9046-10-0) and clearly below the trigger value of 3 for adsorption potential as indicated in the ECHA Guidance on Information Requirements and Safety Assessment, Chapter 7.a, Endpoint Specific Guidance (version 6.0, July 2017; currently being updated). Thus, in accordance with REACH Annex VIII column 2 no potential for adsportion/desorption is expected for the hydrolysis product Polyetheramin D230 (CAS No. 9046-10-0).
The other hydrolysis product, 2,2-Dimethyl-3-lauroyloxy-propanal, has been proven to be readily biodegradable and rapidly degraded by hydrolysis (please refer to section 5.1.2 and 5.2.1 as well as the the dissiminated ECHA REACH dossier for CAS 102985-93-3). Thus, in accordance with REACH Annex VIII colum 2 the hydrolysis product 2,2-Dimethyl-3-lauroyloxy-propanal (CAS No. 102985-93-3) does not need to be tested for adsorption/desporption.
In conclusion, further testing on the adsorption potential of the registered substance as well as of its hydrolysis products is not justified in accordance with REACH Annex XI, section 2 (study with parent compound technically not feasible) and REACH Annex VIII, section 9.3.1, column 2 (study on adsorption/desorption of hydrolysis products scientifically not necessary).
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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