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Diss Factsheets
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EC number: 468-880-2 | CAS number: 102985-93-3
- 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
Stability
The performance of hydrolysis as a function of pH is scientifically unjustified.
Regulation (EC) No 1907/2006 (REACH), Annex VIII, Sect. 9.2.2.1, Col. 2, states as follows:
9.2.2.1. The study does not need to be conducted if:
– the substance is readily biodegradable; or
– the substance is highly insoluble in water.
In accordance with column 2 of REACH Annex VIII, hydrolysis as a function of pH was not conducted since the the substance is readily biodegradable and has an estimated low water solubility.
Supporting study:
In the course of a study, in which the water solubility of the test substance was determined according to OECD guideline no. 105 and EU method A.16 the hydrolysis of the test substance was clearly observed. The test item reacts with oxygen-free water in approx. 60 minutes to products other than the carbon acid, the latter being a product of the reaction with oxygen. The appearance of new peaks in the GC-chromotograms indicates the appearance of degradation products due to hydrolysis.
Biodegradation
Biodegradation in water: screening tests
The biodegradation potential of test item was assessed in CO2 evolution test according to OECD guideline 310B and EU method 4.C. After 28 days degradation of 2,2-Dimethyl-3-lauroyloxy-propanal was 91 %. The degradtion at end of the 10-day-window was 74 %.
Biodegradation in water and sediment: simulation tests
The performance of simulation tests for biodegradation in water and sediment is scientifically unjustified.
Regulation (EC) No 1907/2006 (REACH), Annex IX, Sect. 9.2.1.2 and Sect. 9.2.1.4, Col. 2, states as follows:
“9.2.1.2/9.2.1.4: The study need not to be conducted:
– the substances is highly insoluble in water; or
– the substance is readily biodegradable.
and
- if the substance is readily biodegradable; or
– if direct and indirect exposure of sediment is unlikely."
In accordance with column 2 of REACH Annex IX, Simulation testing on ultimate degradation in surface water and sediment simulation testing was not conducted since the the substance has an estimated low water solubility and it is hydrolytically unstable and readily biodegradable. Due to the unstable nature of the test substance, it can be assumed that upon contact with water and organic matter, the test item undergoes rapid degradation resulting in the formation of respective degradation products.
Biodegradation in soil
The performance of tests for biodegradation in soil is scientifically unjustified.
Regulation (EC) No 1907/2006 (REACH), Annex IX, Sect. 9.2.1.3, Col. 2, states as follows:
“9.2.1.3: The study need not to be conducted:
- if the substance is readily biodegradable, or
- if direct and indirect exposure of soil is unlikely. ”
In accordance with column 2 of REACH Annex IX, Soil simulation testing was not conducted as the substance is readily biodegradable. Due to the hydrolytically unstable nature of the test substance, it can be assumed that upon contact with soil and organic matter, the test item undergoes rapid degradation resulting in the formation of respective degradation products.
Bioaccumulation
The performance of bioaccumulation in aquatic species, preferably fish is scientifically unjustified.
Regulation (EC) No 1907/2006 (REACH), Annex IX, Sect. 9.3.2, Col. 2, states as follows:
9.3.2. The study need not be conducted if:
– the substance has a low potential for bioaccumulation (for instance a log Kow < 3) and/or a low potential to cross biological membranes; or
– direct and indirect exposure of the aquatic compartment is unlikely.
In accordance with column 2 of REACH Annex IX, bioaccumulation in aquatic species, preferably fish was not conducted since the substance is considered to have no bioaccumulation potential. Using EPIWIN 4.1 a BCF of 104.5 L/kg wet-wt (Log BCF = 2.019) was calculated indicating no bioaccumulative potential. Due to the hydrolytically unstable nature of the test substance, it can be assumed that upon contact with water and organic matter, the test substance undergoes rapid degradation resulting in the formation of respective degradation products.
Transport and distribution
The performance of simulation tests for adsorption/desorption screening is scientifically unjustified.
Regulation (EC) No 1907/2006 (REACH), Annex IX, Sect. 9.3.3, Col. 2, states as follows:
9.3.3. The study does not need to be conducted if:
– based on the physicochemical properties the substance can be expected to have a low potential for adsorption (e.g. the substance has a low octanol water partition coefficient); or
– the substance and its relevant degradation products decompose rapidly.
In accordance with column 2 of REACH Annex IX, simulation tests for adsorption/desorption screening was not conducted since due to the hydrolyically unstable nature of the test substance, it can be assumed that upon contact with water and organic matter, the test item undergoes rapid degradation resulting in the formation of respective degradation products. Furthermore, the test substance is readily biodegradable and rapid decomposition 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.
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.