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EC number: 607-033-5 | CAS number: 223749-05-1
- 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
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2019-09-25 - 2019-10-24 (experimental phase)
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- under GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- OECD Guidelines for the Testing of Chemicals, Method No. 104, adopted 23. Mar. 2006: “Vapour Pressure“
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- Commission Regulation (EC) No 761/2009 of 23. July 2009, published on 24. Aug. 2009 Method A.4: “Vapour Pressure”
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: Knudsen cell
Test material
- Reference substance name:
- Yucca schidigera, ext.
- EC Number:
- 607-033-5
- Cas Number:
- 223749-05-1
- IUPAC Name:
- Yucca schidigera, ext.
- Test material form:
- solid: particulate/powder
- Remarks:
- fine beige
- Details on test material:
- Storage: Room Temperature (20 ± 5 °C)
Homogeneity: homogeneous
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: using a molecular mass of 180.16 g/mol
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: using a molecular mass of 180.16 g/mol
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: using a molecular mass of 1079 g/mol
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: using a molecular mass of 1079 g/mol
Any other information on results incl. tables
See below
Applicant's summary and conclusion
- Conclusions:
- The study was performed according to OECD TG 104 without deviations under GLP and therefore, the results can be considered as reliable. The substance is an UVCB, so only extremes in weight distribution were used for calculation. With vapour pressures ranging from 1.01 * 10-04Pa to 2.48 * 10-04Pa at 25°C, the subtsnace does not need to be regarded as volatile.
- Executive summary:
The vapour pressure of Yucca schidigera, ext. was determined under GLP according to OECD 104 resp. EU A.4 using the effusion method (weight loss).
Vapour pressure was examined at five different temperatures. Three temperatures could be evaluated as they showed reproducible weight loss. For these temperatures, log (p) was plotted against 1/T.
For the calculation of the vapour pressure a molecular weight range of 180.16 – 1079.00 g/mol was used.
Table Vapour Pressures (Effusion Method) for the molecular mass of 180.16 g/mol
Experiment
T
Mean p
Stand. Dev. p
RSD p
No.
K
Pa
Pa
%
1*
303.2
2.03E-02
3.45E-02
170.2%
2
318.2
1.58E-03
3.32E-04
21.0%
3
333.2
4.57E-03
1.31E-03
28.8%
4
348.2
1.61E-02
3.52E-03
21.8%
5*
363.2
2.78E-02
2.18E-02
78.3%
In this table, E-0X represents multiplication with 10-x.
Stand. Dev. = Standard Deviation; RSD = Relative Standard Deviation
*not used for calculation as the RSD was above 30%.
The graph log (p) vs. 1/T shows a straight line with a correlation coefficient of - 0.9971.
For the test item Yucca schidigera, ext., the following vapour pressures at 20°C and at 25°C were calculated from the regression equation:
Vapour pressure at 20 °C: 1.52* 10-04 Pa
Vapour pressure at 25 °C: 2.48* 10-04 Pa
Table Vapour Pressures (Effusion Method) for the molecular mass of 1079 g/mol
Experiment
T
Mean p
Stand. Dev. p
RSD p
No.
K
Pa
Pa
%
1*
303.2
8.29E-03
1.41E-02
170.2%
2
318.2
6.47E-04
1.36E-04
21.0%
3
333.2
1.87E-03
5.37E-04
28.8%
4
348.2
6.58E-03
1.44E-03
21.8%
5*
363.2
1.14E-02
8.91E-03
78.3%
In this table, E-0X represents multiplication with 10-x.
Stand. Dev. = Standard Deviation; RSD = Relative Standard Deviation
*not used for calculation as the RSD was above 30%.
The graph log (p) vs. 1/T shows a straight line with a correlation coefficient of - 0.9971.
For the test item Yucca schidigera, ext., the following vapour pressures at 20 °C and at 25 °C were calculated from the regression equation:
Vapour pressure at 20 °C: 6.20* 10-05 Pa
Vapour pressure at 25 °C: 1.01* 10-04 Pa
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