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Diss Factsheets
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EC number: 468-740-0 | CAS number: -
- 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:
- 12 July 2011 - 05 August 2011
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- This study uses a guideline method conducted under GLP. MTDID 3285 is a mixture which undergoes decomposition just above the melting point. Vapor pressure methods can only be applied for compounds that do not decompose under the conditions of the test. However the result attempts to sets an upper limit on the possible vapor pressure range rather than establishing the vapor pressure.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- yes
- Remarks:
- The test substance decomposes under the test conditions.
- GLP compliance:
- yes
- Type of method:
- effusion method: by loss of weight or by trapping vaporisate
Test material
- Reference substance name:
- MTDID 3285
- IUPAC Name:
- MTDID 3285
- Details on test material:
- - Name of test material (as cited in study report): MTDID 3285
- Physical state: solid
- Analytical purity: 86.67%
- Stability under test conditions: stable
- Storage condition of test material: at room temperature in the dark
Constituent 1
Results and discussion
Vapour pressure
- Temp.:
- 20 °C
- Vapour pressure:
- 0.002 Pa
Transition / decomposition
- Transition / decomposition:
- yes
- Remarks:
- The MP/BP study reports decomposition of MTDID 3285 just above the melting temperature. The vapor pressure was measured as a function of increasing temperatures which spans MTDID 3285's melting point. Therefore, decomposition has taken place.
- Transition temp.:
- ca. 93 °C
Any other information on results incl. tables
The weight loss curve of MTDID 3285 shows that it contains volatile compounds. These volatile compounds are potentially decomposition products or original components of the mixture.
Figure 5. (Weight loss curve of MTDID 3285) --> SEE ATTACHMENT 1
Because the weight loss of MTDID 3285 at 110°C, 120 °C, 130°C, and 140°C was lower than the weight loss of hexachlorobenzene at the same temperatures, it was concluded that vapor pressure of MTDID 3285 is below that of hexachlorobenzene.
Figure 6. (Weight loss curve of hexachlorobenzene) --> SEE ATTACHMENT 2
An exact vapor pressure for MTDID 3285 was not calculated. According to OECD TG 104, vapor pressure methods can only be applied for compounds that do not decompose under the condition of the test.
Applicant's summary and conclusion
- Conclusions:
- The vapor pressure of MTDID 3285 is < 0.0015 Pa at 20°C.
- Executive summary:
The vapor pressure of MTDID 3285 was measured using an isothermal thermogravimetric effusion method. The weight loss of MTDID 3285 was measured continuously as a function of time and temperature covering a temperature range of 30 °C to 240 °C. Based on the weight loss of the most volatile components of MTDID 3285 being lower than that of hexachlorobenzene at 110°C - 140°C, the vapor pressure of MTDID 3285 was concluded to be less than hexachlorobenze's vapor pressure at 20°C (0.0015 Pa).
According to OECD TG 104, vapor pressure measurements can only be applied for compounds that do not decompose under the condition of the test. MTDID 3285 undergoes decomposition at temperatures just above the melting point. No method is suitable for determing vapor pressure of ionic compounds of this nature. The conditions of the test should be such that weight loss measurements are made prior to decomposition. The weight loss comparison to a reference substance should also be made in the same range. The study result only sets an upper limit on the possible vapor pressure rather than establishing the vapor pressure. Therefore, the study is classified as reliable with restrictions.
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