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EC number: 283-740-9 | CAS number: 84712-50-5
- 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:
- 2016-08-01 to 2016-08-11
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 23 March 2006
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 05/07/2016; Date of issue: 28/10/2016
- Type of method:
- gas saturation method
- Key result
- Test no.:
- #1
- Temp.:
- 25 °C
- Vapour pressure:
- 0.51 Pa
- Conclusions:
- A vapour pressure value of 0.510 ± 0.004 Pa at 25°C was determined for the substance using a relevant test method and in compliance with GLP. The result is considered to be reliable.
Reference
Typical Chromatography
See attached.
The mean peak areas relating to the standard and sample solutions are shown in the following table:
Table 1 (25°C test)
Solution |
Mean Peak Area |
Standard at 151 mg/L |
1.5780 x 107 |
Standard at 163 mg/L |
1.8674 x 107 |
Matrix blank |
None Detected |
Saturator A Trap 1 |
1.0045 x 107 |
Saturator A Trap 2 |
None Detected |
Saturator B Trap 1 |
1.3572 x 107 |
Saturator B Trap 2 |
None Detected |
Saturator C Trap 1 |
1.6730 x 107 |
Saturator C Trap 2 |
None Detected |
The mass of transferred test item and corresponding vapor pressures are shown in the following table:
Table 2 Results of the 25°C main vapour pressure determination
Saturator Column. |
Temp. [°C] |
Volume* V [mL] |
Mass of Test Item in Trap 1 [μg] |
Mass of Test Item in Trap 2 [μg] # |
Total Mass of Test Item [μg] |
Vapour Pressure [Pa] |
Average Vapour Pressure [Pa] (Std Dev) |
A |
25 |
93489 |
4.58 x 103 |
0 |
4.58 x 103 |
0.508 |
0.510 (4.01 x 10-3) |
B |
124652 |
6.18 x 103 |
0 |
6.18 x 103 |
0.514 |
||
C |
155815 |
7.62 x 103 |
0 |
7.62 x 103 |
0.507 |
* Corrected volume at test temperature as calculated under “Volume correction”
# 0 μg refers to none detected within Trap 2
The tabulated results represent rounded-off values obtained by calculations based on the exact raw data.
Validation
The linearity of the detector response with respect to concentration was assessed over the concentration range of 1.01 to 253 mg/L (n = 6). The results were satisfactory with a correlation coefficient (r2) of 1.000 being obtained.
The concentrations in the sample solutions from Trap 1 ranged between 91.5 and 152 mg/L, therefore were within the calibration range. For Trap 2 no test item was detected.
Table 3 Trapping Efficiency
Saturator Column. |
Temp. [°C] |
Mass of Test Item in Trap 1 [μg] |
Mass of Test Item in Trap 2 [μg] |
Total Mass of Test Item [μg] |
Percentage of Test Item in Trap 1 |
Percentage of Test Item in Trap 2 |
Total percentage of trapped Test Item |
A |
|
4.58 x 103 |
0 |
4.58 x 103 |
100 |
0 |
100 |
B |
|
6.18 x 103 |
0 |
6.18 x 103 |
100 |
0 |
100 |
C |
|
7.62 x 103 |
0 |
7.62 x 103 |
100 |
0 |
100 |
Discussion
To ensure saturation control, three different flow rates were used. From the data in Table 2 it can be clearly seen that higher flow rates did not lead to a lower vapour pressure, which indicates that the nitrogen was saturated with test item under the conditions of the test.
Conclusion
The vapour pressure of the test item has been determined to be 0.510 Pa at 25°C.
Description of key information
Vapour pressure: 0.510 ± 0.004 Pa at 25°C (OECD 104)
Key value for chemical safety assessment
- Vapour pressure:
- 0.51 Pa
- at the temperature of:
- 25 °C
Additional information
A measured vapour pressure value of 0.510 ± 0.004 Pa at 25°C was determined for the test substance using a gas saturation method in accordance with OECD Test Guideline 104 and in compliance with GLP. The result is considered to be reliable and is selected as key study.
In a supporting study, vapour pressure value of 0.534 Pa at 20°C was obtained for the substance using a relevant test method.
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