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EC number: 247-570-9 | CAS number: 26266-63-7
- 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
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- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
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- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
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- Endpoint summary
- Stability
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- Environmental data
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- 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
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- Endocrine disrupter testing in aquatic vertebrates – in vivo
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- Additional toxicological data
Vapour pressure
Administrative data
Link to relevant study record(s)
Description of key information
Vapour pressure: 0.52 Pa at 25 deg C.
Key value for chemical safety assessment
- Vapour pressure:
- 0.52 Pa
- at the temperature of:
- 25 °C
Additional information
All the vapour pressure estimations of tetrahydrophthalic anhydride, by (Q)SPR models, lead to results having the same order of magnitude.
Therefore was reasonable calculate the mean of them, to obtain a summary value suitable for the assessments of the above substance.
VP = (VPM+ VPN+ VPMY+ VPG) / 4 = 0.52 Pa at 25 deg C
As weight of evidence, the low vapour pressure of tetrahydrophthalic anhydride was confirmed by the experimental value of 0.045 Pa at 25 deg C, related to 1,2,3,6-tetrahydrophthalic anhydride, one of main isomers constituents of the tested UVCB substance.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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