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EC number: 203-149-1 | CAS number: 103-83-3
- 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
- Study period:
- 2013
- Reliability:
- 1 (reliable without restriction)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- effusion method: vapour pressure balance
- Temp.:
- -19.77 °C
- Vapour pressure:
- 5.148 - 5.264 Pa
- Temp.:
- -14.75 °C
- Vapour pressure:
- 9.267 - 9.454 Pa
- Temp.:
- -9.82 °C
- Vapour pressure:
- 14.425 - 14.704 Pa
- Temp.:
- 20 °C
- Vapour pressure:
- 213.57 Pa
- Remarks on result:
- other: calculated from experimental values
- Temp.:
- 25 °C
- Vapour pressure:
- 317 Pa
- Remarks on result:
- other: calculated from experimental values
- Temp.:
- 50 °C
- Vapour pressure:
- 1 900.9 Pa
- Remarks on result:
- other: calculated from experimental values
- Temp.:
- 55 °C
- Vapour pressure:
- 2 632.2 Pa
- Conclusions:
- The vapour pressure of the test item is 213.57 Pa at 20 °C.
- Executive summary:
The vapor pressure of the test item was measured using the Knudsen effusion method (mass-loss technique), according to the
guidelines OECD 104 / EU A.4. The quality of the apparatus was previously verified with the measurement of well-known reference compounds. Experiments were performed at three temperatures between -19.77°C and -9.82°C. For every experiment (temperature), two effusion cells were used simultaneously. 2 different cells were used in the experiments, with effusion orifices of approx. 0,8 mm in diameter, with a thickness of 0.05 mm or 0.025 mm. Results permit the establishment of the relation between the vapor pressure of the compound and temperature, allowing the knowledge of the vapor pressure at different temperatures. Based on the results, the vapor pressure of the compound is calculated as being equal to 213.57 Pa at 20°C, and 317.00 Pa at 25°C.
Reference
Areas and transmission propability factors ot the effusion orifices used in the present work:
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Description of key information
Benzyldimethylamine is characterized by a measured vapour pressure of 213.57 Pa (20 °C) (Bayer Technology Services, 2013).
Key value for chemical safety assessment
- Vapour pressure:
- 213.57 Pa
- at the temperature of:
- 20 °C
Additional information
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