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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 284-219-9 | CAS number: 84812-94-2
- 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://poisoncentres.echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_physical-and-chemical-properties.png)
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- (Q)SAR
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a (Q)SAR model, with limited documentation / justification, but validity of model and reliability of prediction considered adequate based on a generally acknowledged source
- Justification for type of information:
- See EpiSuite report (attached).
The substance is surface active and UVCB making testing unreliable. The reported water solubility is consistent with the partition coefficient derived from modelling. - Qualifier:
- no guideline required
- Principles of method if other than guideline:
- EPI (Estimation Programs Interface) Suite estimates a range of physicochemical properties, environmental fate parameters and ecotoxicity. It has been developed by the US EPA in collaboration with Syracuse Research Corporation (SRC) and is used widely by governmental and industry organisations to support the assessment of new and existing industrial chemicals.
- GLP compliance:
- no
- Partition coefficient type:
- other: QSAR prediction
- Type:
- log Pow
- Partition coefficient:
- 2.39
- Temp.:
- 25 °C
- Remarks on result:
- other: QSAR prediction
- Conclusions:
- EpiSuite (KOWWIN v1.68) estimates Log Kow to be 2.39 at 25 °C.
Simple observations confirm that the substance is very soluble in in octanol, and when considering water solublity of ca 260 mg/l, this estimated Log Kow is clearly in the right order of magnitude. - Executive summary:
EpiSuite (KOWWIN v1.68) estimates Log Kow to be 2.39 at 25 °C.
If testing had been possible, it is likely that the UVCB substance would have a range of partition coefficients.
A figure of Log 2.4 is used for the CSR
Reference
Description of key information
EpiSuite (KOWWIN v1.68) estimates Log Kow to be 2.39 at 25 °C, although if testing had been possible, it is likely that the UVCB substance would have a range of partition coefficients.
A figure of Log 2.4 is used for the CSR
Simple observations confirm that the substance is very soluble in in octanol, and when considering water solublity of ca 260 mg/l, this estimated Log Kow is clearly in the right order of magnitude.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 2.4
- at the temperature of:
- 25 °C
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.
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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