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EC number: 700-151-9 | CAS number: 1101874-33-2
- 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:
- 14 Jan 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- Study was performed carefully in accordance with an established OECD test guideline and with GLP criteria. Some volatile components may have lost, but the study adequately addresses the vapour pressure of the oligomeric components of the UVCB material.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: EEC Directive 92/69 A.4, Vapour pressure, Part: 1.4.6. Gas saturation method. Council Regulation (EC) No. 761/2009, 23 July 2009, Part A.4 "Vapour pressure"
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- static method
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Type:
- Constituent
- Details on test material:
- - Name of test material (as cited in study report): MTDID 8191
- Substance type: UVCB material
- Physical state: Yellowish viscous liquid
- Concentration of oligomers: ≥99.0%
- Purity test date: 21 January 2010
- Lot/batch no.: MK 12/048
- Expiration date of the lot/batch: 27-Jan-2010
- Stability under test conditions: Not reported
- Storage condition of test material: In the refrigerator at about 5 °C
Results and discussion
Vapour pressure
- Temp.:
- 25 °C
- Vapour pressure:
- 2 420 Pa
- Remarks on result:
- other: Average of regression values for three runs.
Transition / decomposition
- Transition / decomposition:
- no
Any other information on results incl. tables
Table 1, Individual and mean interpolated vapour pressures at 25 °C for the test substance | |
Measurement | Calculated Vapor Pressure at 25 °C (Pa) |
1 | 3.12 x 10+3 |
2 | 2.29 x 10+3 |
3 | 1.86 x 10+3 |
Mean Value | 2.42 x 10+3 |
Standard Deviation | 6.37 x 10+2 |
Relative Std. Dev. | 26.29% |
Table 2, Measured vapour pressure v. temperature in three individual trials | |||
Temperature | Pressure measured (mbar=hPa) | ||
(°C) | 1st Measurement | 2nd Measurement | 3rd Measurement |
0.0 | 20 | 12 | 12 |
5.0 | 22 | 13 | 13 |
10.0 | 24 | 15 | 15 |
15.0 | 26 | 18 | 17 |
20.0 | 28 | 20 | 18 |
25.0 | 30 | 23 | 18 |
30.0 | 34 | 28 | 18 |
35.0 | 39 | 33 | 19 |
40.0 | 42 | 38 | 21 |
45.0 | 44 | 40 | 22 |
50.0 | 46 | 42 | 25 |
55.0 | 51 | 44 | 34 |
60.0 | 53 | 46 | 39 |
65.0 | 54 | 48 | 42 |
70.0 | 57 | 50 | 44 |
75.0 | 59 | 53 | 45 |
80.0 | 61 | 56 | 47 |
85.0 | 63 | 59 | 49 |
90.0 | 66 | 63 | 52 |
95.0 | 69 | 67 | 55 |
100.0 | 72 | 72 | 58 |
105.0 | 76 | 78 | 61 |
110.0 | 80 | 85 | 66 |
115.0 | 83 | 92 | 70 |
120.0 | 88 | 98 | 75 |
125.0 | 93 | 106 | 80 |
130.0 | 100 | 120 | 86 |
135.0 | 109 | 132 | 94 |
140.0 | 122 | 162 | 100 |
Interpolation of the VP of the test substances, exp 1 --> SEE ATTACHMENT 1 = FIG 1
Regression equation: lnVP (mbar) = 7.89 - 1326.45 * 1/T(K), R-sq = 0.9890
Interpolation of the VP of the test substances, exp 2 --> SEE ATTACHMENT 2 = FIG 2
Regression equation: lnVP (mbar) = 9.34 - 1850.50 * 1/T(K), R-sq = 0.9787
Interpolation of the VP of the test substances, exp 3 --> SEE ATTACHMENT 3 = FIG 3
Regression equation: lnVP (mbar) = 8.72 - 1726.03 * 1/T(K), R-sq = 0.9804
Low temperature readings were repeated as a check. These values did not coincide with the curve obtained for increasing temperature. This is most probably due to the composition of the test item. The test item might contain low boiling compounds, which have been released during heating.
It is not clear from the study report whether the low temperature readings are part of the repeated measurements or were recorded but not included in the study report. The fact that vapour pressure measurements were taken at low temperatures without heating is mentioned, but these values are also not included in the report. Test guideline OECD104 states that the static method is appropriate for multicomponent substances, but cautions that degassing should be at a temperature low enough to ensure that the composition of the material is not altered. The suggested loss of volatile components argues against the appropriateness of degassing. However, the test provides an adequate assessment of oligomeric materials within the test substance.
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the test substance at 25°C is 2.42E+03 Pa.
- Executive summary:
Vapour pressure of the test substance (CAS# 1101874-33-2) was measured using the static method according to OECD TG104. This method is suitable for substances and multicomponent liquids and solids in the range from 10 to 100,000 Pa. Vapour pressures as a function of temperature were transformed and analyzed according to the Clausius-Clapeyron equation. The interpolated vapour pressures at 25°C decreased during repeated runs, probably due to loss of volatiles from the test substance. The average of the three runs was reported. as the vapour pressure at 25°C. The vapour pressure of the test substance at 25°C is 2.42E+03 Pa. The test was conducted according to internationally-accepted test guidelines and GLP standards. Some volatile components were evidently lost during the procedure, but the study addresses the vapour pressure of the oligomeric components of the UVCB material. Therefore, this study is classified as reliable with restrictions.
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