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Diss Factsheets
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EC number: 812-244-2 | CAS number: 957209-18-6
- 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
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 2011
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Direct observation at increasing temperatures.
- GLP compliance:
- no
- Type of method:
- pour point
- Specific details on test material used for the study:
- HFE L-21343
- Key result
- Melting / freezing pt.:
- -50 °C
- Decomposition:
- no
- Remarks on result:
- other: ± 3 °C
- Conclusions:
- Novec 7700 has a melting point (pour point) of -50 °C (± 3 °C).
- Executive summary:
Novec 7700 has a melting point (pour point) of -50 °C (± 3 °C). The study was well-documented and meets generally accepted scientific principles but was not conducted in accord with GLP guidelines; therefore the result is considered reliable with restrictions.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 12 Oct - 18 Oct 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7200 (Melting Point / Melting Range)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- method to determine freezing temperature
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Lot # 20003, unit 0022
- Physical state: Clear colourless liquid
- Analytical purity: 99.7%
- Expiration date of the lot/batch: 30 March 2018
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: at room temperature - Key result
- Melting / freezing pt.:
- < -80 °C
- Decomposition:
- no
- Conclusions:
- The melting point of < -80 °C was observed for Novec 7700 as determined by the OECD 102 method.
- Executive summary:
After 19 hours of storage in an ultra-low freezer at -82.3 °C ± 2.1 °C it was visually observed that the test substance was a viscous liquid. Based on this it was concluded that the melting temperature of the test substance is < -80 °C. The study was conducted in accordance with the OECD 102 method and was GLP compliant; therefore the study is considered reliable without restrictions.
Referenceopen allclose all
During initial cooling of experiment 1, no thermal effects were observed. To further investigate the melting temperature of the test item, two subsamples of the test item were stored for 19 hours at -23.5 ± 0.3 °C and at -82.3 ± 2.1 °C respectively. It was observed after storage that the test item was a liquid (- 20 °C freezer) and a viscous liquid (- 80 °C freezer).
Description of key information
The melting point of Novec 7700 was determined to be < -80 °C (OECD 102 method).
Key value for chemical safety assessment
Additional information
In the key study, after 19 hours of storage in an ultra-low freezer at -82.3 °C ± 2.1 °C it was visually observed that the test substance was a viscous liquid. The study was conducted in accordance with OECD 102 and was GLP compliant; therefore the study is considered reliable without restrictions. In a supporting study, a melting point (pour point) of -50 °C (± 3 °C) was reported for Novec 7700. The study was well-documented and meets generally accepted scientific principles but was not conducted in accord with GLP guidelines; therefore the result is considered reliable with restrictions. The reason for the discrepany is not known, however both results are well below environmentally relevant temperatures.
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.
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