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Diss Factsheets
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EC number: 931-037-9 | 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
- 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
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
No testing was carried out using Method C7 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC) as the organic bistridecylsulfosuccinate content of the test material was determined to be essentially insoluble in water. The experimentally determined limit value of equivalent to less than or equal to 2.2 x 10-5 g/l of test material in solution may still significantly overestimate its true solubility, due to the value being constrained by the analytical method applied to the determination. Computer estimation of the water solubility performed using structural information supplied by the Sponsor, again entered into the software as a sodium salt to indicate a hydrophilic anionic functional group, resulted in an extremely low predicted water solubility value of 3.7 x 10-10 g/l for bistridecylsulfosuccinate (WSKOWWIN, version 1.41, © 2000, US Environmental Protection Agency). This estimated water solubility value was derived directly from the computer estimated partition coefficient value detailed, complete with validation, in Section 10 of this report.
The test material was predicted to be unstable in the presence of water. This was consistent with the presence of ester functional groups in the bistridecylsulfosuccinate content of the test material. Estimation of the hydrolytic half-life using available software packages was not considered reliable as they did not support the sulfonate fragment of the molecule, and the electrophilic properties of this group may significantly influence the rate of hydrolysis, especially due to its close proximity to the ester functional groups.
Key value for chemical safety assessment
Additional information
Abiotic Degradation, Hydrolysis as a Function of pH. No testing was possible using Method C7 of Commission Directive 92/69/EEC as the organic bistridecylsulfosuccinate content of the test material was determined to be essentially insoluble in water. The experimentally determined limit value of equivalent to less than or equal to 2.2 x 10-5g/l of test material in solution may still significantly overestimate its true solubility, due to the value being constrained by the analytical method applied to the determination. Computer estimation of the water solubility performed using structural information supplied by the Sponsor resulted in an extremely low predicted water solubility value of 3.7 x 10-10g/l for bistridecylsulfosuccinate (WSKOWWIN, version 1.41, © 2000, US Environmental Protection Agency). EEC Method C7 limits the maximum permitted sample solution concentration to half that of the saturation water solubility of the test material, and therefore no analytical work was possible within the constraints of the guideline.
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