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EC number: 200-467-2 | CAS number: 60-29-7
- 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
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- Stability: thermal, sunlight, metals
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- Dissociation constant
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- Additional physico-chemical information
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- Nanomaterial aspect ratio / shape
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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
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- Long-term toxicity to aquatic invertebrates
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- Toxicological Summary
- Toxicokinetics, metabolism and distribution
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- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Henry's Law constant
Administrative data
Link to relevant study record(s)
Description of key information
86.8 Pa m3/mol at 23 °C (Nielsen)
Key value for chemical safety assessment
- Henry's law constant (H) (in Pa m³/mol):
- 86.8
- at the temperature of:
- 20 °C
Additional information
A fairly broad range of values have been reported for the Henry's Law constant (Handbook of Physical-Chemical Properties and Environmental Fate for Organic Chemicals, Vol. III, Oxygen Containing Compounds, 2nd Ed., 2006, CRC Press, p2267; NIST Chemistry Webbook). The value by Nielsen (1994) is taken as one of the few experimentally determined values.
The Guidance on Information Requirements and Chemical Safety Assessment Chapter R.7a: Endpoint Specific Guidance, Appendix R.7.1 -4 indicates that substances with a Henry's Law constant of around 100 Pa m3/mol will volatilise from water rapidly.
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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