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Diss Factsheets
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EC number: 810-810-3 | CAS number: 68425-02-5
- 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
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Boiling point
Administrative data
- Endpoint:
- boiling point
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- the study does not need to be conducted because chemical change occurred during the melting point study
Cross-reference
- Reason / purpose for cross-reference:
- data waiving: supporting information
Reference
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From 11 February 2016 to 13 June 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Version / remarks:
- 1998
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- The test item is a complex substance with a resinlike appearance. Such substances typically liquefy slowly before glass transition.
- Key result
- Melting / freezing pt.:
- >= 81 - <= 88 °C
- Decomposition:
- yes
- Decomp. temp.:
- > 325 °C
- Remarks on result:
- other: Glass transition instead of melting
- Conclusions:
- A glass transition range of 81 - 88°C was determined.
- Executive summary:
Differential Scanning Calorimetry (DSC) experiments were performed in a GLP study according to EC A.1, OECD 102 and OPPTS 830.7200. Glass transition instead of melting was measured for the substance. From four experiments a glass transition range of 81 - 88°C was obtained. Reaction and/or decomposition was observed at temperatures above 325°C.
DSC EXPERIMENT 1
A glass transition of the test item was observed between 50°C and 100°C. The inflection point of the peak was 87.57°C. Endothermic peaks were observed from 325°C; most likely due to reaction and/or decomposition of the test item. After the experiment, an orange molten residue remained in the sample container.
DSC EXPERIMENT 2
The temperature program was stopped directly after the glass transition. The inflection point was 85.84°C. After the experiment the sample appeared unchanged.
DSC EXPERIMENT 3
The temperature program was stopped at 300°C. The inflection point of the endothermic peak was 87.92°C. After the experiment, a liquefied light yellow residue remained in the sample container. Glass transition most probably influenced the opacity of the test item causing the colour change. The result demonstrated that the test item was already liquefied before the endothermic effect.
DSC EXPERIMENT 4
To investigate the glass transition between 50°C and 100°C a repeated heating cycle was applied. With the first heating the inflection point was 80.70°C. During cooling no effect was observed due to crystallisation of the test item. With the second heating glass transition at 84.89°C was obtained. This value is not representative for the original test item and therefore not used for the key result. After the experiment a liquefied light orange residue remained in the sample container.
KEY RESULT
The glass transition range was determined from Experiment 1 (87.57°C), Experiment 2 (85.84°C), Experiment 3 (87.92°C) and Experiment 4 (80.70°C).
Data source
Materials and methods
Results and discussion
Applicant's summary and conclusion
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.
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