Registration Dossier
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Diss Factsheets
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EC number: 415-490-5 | CAS number: 141773-73-1 HELVETOLIDE
- 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
One experimental study was performed on the major isomer of the transformation product (further to metabolic activity, in this case a biodegradation study) of the registered substance (96% C6 isomer), by the Institute of Ecotoxicology in Japan in 2013. This study was performed in the context of the notification of the registered substance in Japan in 2014, under the New Chemical Substances Control Law. This study followed the latest OECD 305 Guideline (2012) and was conducted using the C6 isomer of the transformation product dissolved in water at two sub-lethal concentrations for a period of 28 days. The authors considered that steady state was reached on day 28 although there was evidence that steady-state may have already occurred by day 7 of the study. In both concentrations extremely low BCFs were determined (11-25 with a mean of 15 at the highest water concentration of approximately 0.07 mg/L based on the major isomer and <21 -<35 [LOD] at the lowest water concentration of approximately 0.007 mg/L based on the major isomer). Results from the second isomer were almost identical. This study conclusively demonstrated that the major breakdown product of the registered substance will not bioaccumulate to any significant degree in aquatic organisms.
This result was supported by QSAR predictions.
The bioconcentration factors (BCF) of the registered substance and its transformation product (C6 and C7 isomers) were evaluated with BCFBAF model v3.01 from EPI Suite v4.1, which fulfilled all OECD principles. These substances are within the domain of the BCFBAF model based on the molecular weights and fragments present in the BCFBAF database.
For C6 and C7 isomers of the registered substance (parent), the BCFs were estimated to be 382 L/kg whole body weight and 435 L/kg whole body weight, respectively.
For C6 and C7 isomers of the transformation product, the BCFs were estimated to be 374 L/kg whole body weight and 490 L/kg whole body weight, respectively. As the QSAR estimate for the C6 isomer of the transformation product is higher than the experimental value, the QSARs can considered to be a conservative estimate of the BCF for the registered substance and its degradation products.
Additional information
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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