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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
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EC number: 816-455-0 | CAS number: 960253-23-0
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_classification-and-labelling-and-pbt-assessment.png)
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Persistency: Not P/vP
Scentaurus Clean has been demonstrated to be readily biodegradable in an OECD 301F screening study and, therefore, is not persistent.
Bioaccumulation: No firm conclusion can be reached based on the available data
Although Scentaurus Clean has a LogPow of between 5.3 and 6.6 (LogPow of 5.9 for the major component) which is > the 4.5 screening threshold, there is no In vivo Bioconcentration study available for this substance to demonstrate that it is a Bioaccumulative or a Not Bioaccumulative substance.
Bioaccumulation in aquatic species is a requirement of the Annex IX of REACH regulation corresponding to a registration of 100-1000 t/y tonnage band whereas here we are registering the substance for 10-100 t/y tonnage band (corresponding to Annex VIII of REACH regulation).
An OECD 319B In vitro metabolism study has been performed on Scentaurus Clean to assess the In vitro intrinsic clearance rate of Scentaurus Clean when exposed to Rainbow Trout fish liver S9 fractions. The study demonstrated a moderate rate of metabolic turnover yielding extrapolated BCF values of < 2000 L/kg (wet wt.) following application of a recognised IVIVE model. This result suggests that the bioaccumulation potential of Scentaurus Clean in aquatic species is low (IVIVE extrapolated BCF = 308 L/kg (wet wt.)).
Toxicity: No Hazard Identified
In acute aquatic toxicity studies performed, the EC/LC50 values determined were greater than the water saturation concentration for the substance. In the only Chronic aquatic toxicity end-point available, for algae, no inhibition of growth rate was observed at the saturation concentration of the test item.
The substance does not have an environmental classification since the aquatic toxicity studies performed demonstrated that the EC50 values were greater than the highest test concentration tested, which was at or in excess of the water saturation concentration.
The substance is not classified as carcinogenic, mutagenic, toxic for reproduction, toxic for a specific target organ after repeated exposure. There is one long-term toxicity study available (Algal Inhibition) to demonstrate that the substance is not toxic at the water saturation concentration. Other long-term aquatic toxicity studies correspond to requirements of the Annex IX of REACH regulation corresponding to a registration of 100-1000 t/y tonnage band whereas here we are registering the chemical for 10-100 t/y tonnage band (Annex VIII of REACH regulation) and safe use can be demonstrated.
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.
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