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EC number: 700-810-0 | CAS number: 58190-62-8
- 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:
- key study
- Study period:
- 15 March 2012-19 June 2012
- 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
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- < -80 °C
- Decomposition:
- yes
- Decomp. temp.:
- > 150 °C
- Remarks on result:
- other: Melt/Freez pt: < 193 K; Decomp. temp: > 423 K
- Conclusions:
- The melting temperature of the substance was determined to be < -80°C. Decomposition of the substance started at 150°C.
- Executive summary:
In a differential scanning calorimetry study, the melting temperature of the substance was determined to be < -80°C. Decomposition of the substance started at 150°C. The study was performed in accordance with EC A.1, OECD 102 and EPA OPPTS 830.7200 guidelines and according to the principles of GLP.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- Conducted with the hydrolysis product MPKO.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- not specified
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- not specified
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- thermal analysis
- Key result
- Melting / freezing pt.:
- ca. -45 °C
- Atm. press.:
- ca. 101.7 kPa
- Conclusions:
- The melting point of MPKO is -45°C at an atmospheric pressure of ca. 101.7 kPa.
- Executive summary:
The melting temperature of MPKO was determined using a Q100 difference scanning calorimeter. The melting point of MPKO is -45°C at an atmospheric pressure of ca. 101.7 kPa.
Referenceopen allclose all
Preliminary TGA
From 175°C upwards the weight of the sample decreased significantly. At 327°C, the sample weight had decreased by 25%. After the experiment, brown/black residue was observed on the lid of the sample container and a brown/black residue remained in the sample container.
DSC experiment
During the cooling, no effects were observed that could indicate crystallization of the test substance. During heating, an exothermic effect was observed starting at 150°C. The effect was due to reaction and/or decomposition of the test substance. After the experiment, a brown/orange residue remained in the sample container.
Additional experiment
After storage overnight in the freezers at -20°C and -80°C the substance was a (highly viscous) liquid. From this it was concluded that the melting temperature of the test substance is < -80°C(< 193K).
Description of key information
The melting temperature of the substance was determined to be < -80°C. Decomposition of the substance started at 150°C. The melting point of MPKO, the main hydrolysis product of OS2600 was determined to be -45°C
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -80 °C
Additional information
Key study: The melting point test was performed on OS2600 in accordance with OECD Guideline 102 and EU method A.1. In a differential scanning calorimetry study, the melting temperature of the substance was determined to be < -80°C. Decomposition of the substance started at 150°C.
Supporting study: The melting temperature of the analogue substance MPKO was determined using a Q100 difference scanning calorimeter. The melting point was -45°C at an atmospheric pressure of ca. 101.7 kPa.
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