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Diss Factsheets
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EC number: 947-313-7 | 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
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 20 November 2017 - 22 January 2018
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Justification for type of information:
- The study was conducted according to an internationally recognised method, and under GLP.
The substance is considered to be adequately characterised but restrictions apply considering the difficulty to determine the initial boiling point & temperature of decomposition of the substance. Therefore a validation with restrictions applies. - Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- Principles of method if other than guideline:
- Not applicable
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspected on 15 and 16 November 2017 / signed on 15 May 2018
- Type of method:
- method according to Siwoloboff
- Key result
- Decomposition:
- ambiguous
- Remarks on result:
- not determinable
- Conclusions:
- No boiling point can be determined using standard method conducted in this study (Siwoloboff method).
Signs of potential decomposition of the substance were observed during the test. - Executive summary:
A study was conducted to determine the boiling point of the test substance under GLP according to OECD 103 / EU A2 guideline.
The Siwoloboff method was performed to determine the initial boiling point of the substance. However, No boiling point can be determined. Signs of potential decomposition of the substance were observed during the experiments: Small bubbles observed from 100°C and colour change observed from 105°C (lowest temperature) may be either the signs of decomposition of the substance or the sign of releasing of trapped more volatile compounds in the matrix.
Finally, no temperature of initial boiling point or initial decomposition of the test item can be determined using the Siwoloboff method.
Reference
Table 4.3.1 Observations Pre-test for the boiling point following Siwoloboff
Observations |
Temperatures |
Test items colour became lighter |
45 °C |
Some bubbles |
85 °C |
Bubbles inside of the liquid of the test item rose up |
103 °C |
More bubbles |
110,120,160 °C |
Many bubbles |
180 °C |
Superheating occured twice | 192 °C |
Superheating with sizzle | 197, 204, 212, 214, 216, 220, 222, 224, 226 °C |
Test terminated for safety reason. Immediately no bubbles anymore. |
226 °C |
Superheating was indicated by the substance (strongly) spraying out of the container.
After cooling down the test item appeared slightly darker.
Table 4.3.2 Observations Main-test for the boiling point following Siwoloboff
Observations |
Temperatures |
||
First determination atmospheric pressure 99031 Pa |
Second determination atmospheric pressure 99039 Pa |
||
Test start Some bubbles visible after setting in the block |
100.0 °C |
||
Test item getting clearer |
102 °C |
||
No bubbles anymore |
Since 105 °C |
||
Some bubbles in large interval. Colour of test item getting darker |
110 °C Since 110°C |
105 °C Since 110°C |
|
More bubbles |
Since 200 °C |
||
Test item boils with vapour and superheating. No boiling chain. Test stopped for safety reasons. |
220 °C |
215 °C |
After cooling down the test item appeared as a clear, viscous red-brown liquid, whereas the original test item was a yellow-brown liquid. Signs of decomposition (colour change) were considered.
Finally no boiling point could be determined up to 220°C using the SIWOLOBOFF method. Decomposition of the substance was suspected during the test : Small bubbles observed from 100°C and colour change observed from 105°C (lowest temperature) may be either the signs of decomposition of the substance or the sign of releasing of trapped more volatile compounds in the matrix.
No observations were made which might cause doubts on the validity of the study outcome. Therefore, the result of the study is considered valid.
Description of key information
No boiling point can be determined using standard method conducted in this study (Siwoloboff method).
Signs of potential decomposition of the substance were observed during the test.
Key value for chemical safety assessment
Additional information
A reliable GLP experimental study, conducted according to a recognized OECD/EC guidelines is available.
It is considered as a key study.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.