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EC number: 288-293-3 | CAS number: 85711-34-8
- 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
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- no hazard identified
Marine water
- Hazard assessment conclusion:
- no hazard identified
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- no hazard identified
Sediment (marine water)
- Hazard assessment conclusion:
- no hazard identified
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- no hazard identified
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential to cause toxic effects if accumulated (in higher organisms) via the food chain
Additional information
Conclusion on classification
The substance, WS400103, is a UVCB substance composed of tall oil fatty acids condensed with diethylenetriamine (DETA) and phosphoric acid. The major part (> 90%) consists of di-amides with smaller amounts of mono-amides (< 2%) and tri-amides (< 6%). Molecular weights of the di-amides amount to approx. 616 Da, those of mono-amides to approx. 353 Da and 879 Da for tri-amides.
The neat substance (as used in the laboratory tests) is a brown solid. However, the substance during its life cycle does not exist as neat substance because it is manufactured in organic solvents and then directly diluted in organic solvents to the formulations to be marketed. The substance finally will be used as additive in organic solvent based surface coating systems and at the end will be incorporated in a polymer matrix.
The neat substance has very low water solubility (< 1 mg/L). The octanol water partition coefficient (Log10Pow) was determined to range between values of 2.8 and 4.4.
Aquatic toxicity tests were performed by preparing water accommodated fractions (WAF) with the specifically prepared neat substance. Algae were the most sensitive test organism. The WAF concentration of 3.2 mg/l was derived as NOEL. The following EL values were calculated: ELr50 (72 h) = 4.8 mg/l and ELr10 (72 h) = 1.6 mg/l.
All concentrations at which effects were observed are clearly above the analytically determined solubility of the substance in the test medium. This means that the substance did not show effects up to the limit of its water solubility.
The toxicity observed in the algae test very likely is based on the mono-amides contained in WS400103 (up to 2%). These constituents contain one C18-alkyl residue bound to the triamine DETA providing lipophilicity (membrane activity) to the molecule. The mono-amides carry one free terminal amino group; a structure known to exhibit toxicity to algae. The mono-amides have higher water solubility than di-amides and tri-amides and accordingly will be extracted from WS400103 during preparation of the WAF. However, it is also to be expected that mono-amides are more quickly biodegraded in the aquatic environment than di-amides and tri-amides.
Based on absence of effects up to its water solubility non-classification of WS400103 for aquatic toxicity is considered justified. In addition, the substance does not exist as neat substance.
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