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Diss Factsheets
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EC number: 608-174-5 | CAS number: 28183-82-6
- 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
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Justification for type of information:
- Although done to a recognised screening test method, the nature of this UVCB substance means that only the the most volatile constuent will have been measured; in the case of this reaction product, it is likely that unreacted starting materials may contribute to the findings.
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- Dynamic method
- GLP compliance:
- no
- Type of method:
- effusion method: isothermal thermogravimetry
- Test no.:
- #1
- Temp.:
- ca. 20 °C
- Vapour pressure:
- ca. 644 Pa
- Conclusions:
- Although done to a recognised screening test method, the nature of this UVCB substance means that only the the most volatile constuent will have been measured; in the case of this reaction product, it is likely that low molecular weight components will contribute to the findings. However, the smallest identified component has an estimated vapour pressure of < 10 Pa.
Although it was attempted to remove water, the 'dried' sample will have residual residual water and this is th emost likely reason for the higher than expected vapour pressure.
A very large proportion of the components have molecular weights in excess of 200 and a review of vapour pressure data suggests < 0.1 Pa can be expected; however, the same modelling and assessment suggest that the product should be solid (this makes the presence of significant levels of water or liquid amines acting as solvent).
A figure of 644 Pa is considered high for the CSR and a more conservative figure of 1 Pa is used.
Reference
Use of ebulliometer, with the temperature stabilised at 107 C. Calculated back for 20 C
Description of key information
Although done to a recognised screening test method, the nature of this UVCB substance means that only the the most volatile constituent will have been measured; in the case of this reaction product, it is likely that low molecular weight components will contribute to the findings. However, the smallest identified component has an estimated vapour pressure of < 10 Pa.
Although it was attempted to remove water, the 'dried' sample will have residual water and this is the most likely reason for the higher than expected vapour pressure.
A very large proportion of the components have molecular weights in excess of 200 and a review of vapour pressure data suggests < 0.1 Pa can be expected; however, the same modelling and assessment suggest that the product should be solid (this makes the presence of significant levels of water or liquid amines acting as solvent as the likely cause for the relatively high vapour pressure actually measured).
A figure of 644 Pa is considered high for the CSR and a more conservative figure of 1 Pa is used.
Key value for chemical safety assessment
- Vapour pressure:
- 1 Pa
- at the temperature of:
- 20 °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.