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EC number: 619-370-5 | CAS number: 98725-11-2
- 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:
- weight of evidence
- Study period:
- 2017-05-18 to 2017-07-26
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- adopted 27 July 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 30 May 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- >= 160 °C
- Sublimation:
- no
- Remarks on result:
- not determinable
- Conclusions:
- The present study was performed according to OECD Test Guideline 102 (adopted 27 July, 1995) in order to determine the melting point of Compimide 183. A thermogravimetric measurement and subsequently a differential scanning calorimetry (DSC) was performed. In the course of the thermogravimetric curve three steps were registered with maxima at 88 °C, 187 °C resp. 451 °C. A total mass loss of 46.7 % at the final temperature could be observed (mass change in the range until 110 °C: 0.9 %; mass change in the range from 110 to 280 °C: 3.2 %; mass change in the range from 280 to 600 °C: 42.1 %). Mass loss due to purging: 0.5%. During the DSC no sharp endothermic peak indicating a melting point could be observed. In the range of approx. 35 °C there was an indication for a glass transition. Upon further heating the DSC-curve showed no endothermic peak. The course of the DSC-curve indicated decomposition starting at approx. 160 °C: Reweighing after the measurement showed that the sample had lost 6.7 %/ 7.1 % of its mass. Thus, Compimide 183 is considered to decompose but exhibits no melting or boiling point.
- Endpoint:
- melting point/freezing point
- Remarks:
- results were obtained from a study according to OECD 104
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 2017-05-30 to 2017-08-07
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- other: capillary tube method
- Key result
- Melting / freezing pt.:
- >= 56 - <= 76 °C
- Atm. press.:
- 1 013 hPa
- Remarks on result:
- other: In a preliminary test the melting behaviour of the test item was determined by Capillary method, Decomposition and Sublimation were not investigated
- Conclusions:
- In a study according to OECD test guideline 104 (2006) a preliminary test was performed in order to determine the melting behaviour of Compimide 183. Melting of the substance was optically determined. The substance began to melt at 56°C and was completely molten at 76°C, thus the melting point of the test item is considered to be 76°C.
- Endpoint:
- melting point/freezing point
- Remarks:
- results were obtained from a study according to OECD 113
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 2017-06-06 to 2017-08-08
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guideline 113 (Screening Test for Thermal Stability and Stability in Air)
- Version / remarks:
- 1981
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- >= 50 - <= 60 °C
- Atm. press.:
- 1 013 hPa
- Decomposition:
- yes
- Decomp. temp.:
- >= 150 - <= 300 °C
- Sublimation:
- no
- Remarks on result:
- other: Detection of an endothermic peak at 50 -60°C followed by an exothermic peak at 227.36 and 225.98°C, respectively
- Conclusions:
- In a study conducted according to OECD test guideline 113 (1981) which was performed in order to measure the thermal stability, a small but sharp endothermic peak was also detected during the DSC measurement. Thus, the substance is considered to melt at approximately 50 to 60°C.
Referenceopen allclose all
A preliminary thermogravimetric measurement was performed over a temperature range from room temperature to approx. 600 °C.
Three steps were registered with maxima at 88 °C, 187 °C resp. 451 °C. A total mass loss of 46.7 % at the final temperature could be observed (mass change in the range until 110 °C: 0.9 %; mass change in the range from 110 to 280 °C: 3.2 %; mass change in the range from 280 to 600 °C: 42.1 %). Mass loss due to purging: 0.5%.
The DSC measurements were performed twice in the temperature range from 20 - 400 °C. To determine a possible boiling point more precisely a crucible lid with a hole of 50 µm diameter was used in the measurements to prevent evaporation.
No sharp endothermic peak indicating a melting point could be observed. ln the range of approx. 35 °C there was an indication for a glass transition.
Upon further heating the DSC-curve showed no endothermic peak. The course of the DSC-curve indicated decomposition starting at approx. 160 °C: Reweighing after the measurement showed that the sample had lost 6.7 %/ 7.1 % of its mass. After the first as well as after the second run the residue looked dark-brown discoloured and molten.
The melting point of the test item was checked by an optical method. The test item changed its colour at approx. 56 °C and started to melt. At a temperature of approx. 76 °C the test item was completely molten.
In the DSC-measurements the test item Compimide 183 showed a first exothermic effect in the temperature range of 150 - 300 °C with an averaged energy release of -210 J/g. A second exothermic effect occurred in the temperature range of 400 to >500 °C with an averaged energy release of >-370 J/g. During both measurements a small, but sharp endothermic peak was observed at a temperature of approximately 50 to 60°C.
Description of key information
- no melting point detectable: study according to OECD test guideline 102, GLP
- endothermic peak during DSC at 50 -60°C: study according to OECD test guideline 113, GLP
- preliminary test during detection of vapour pressure, Melting point 56 -76°C: study according to OECD test guideline 104, GLP
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 76 °C
Additional information
In a study performed according to OECD Test Guideline 102 in order to determine the melting point of Compimide 183 a differential scanning calorimetry (DSC) was performed. In a DSC a sample of the test item and a reference material are subjected to the same controlled temperature program. The difference in the temperatures of the test item and the reference material is recorded and applying a calibration function converted to a heat flow signal. When the sample undergoes a transition involving a change in enthalpy (endothermic on melting or boiling), that change is indicated by a departure from the base line of the heat flow record. The course of the thermogravimetric curve between 88 and 451°C suggests decomposition of the test item at approx. 160°C and no sharp endothermic peak indicating a melting point could be observed, thus, Compimide 183 was considered to decompose but exhibits no melting or boiling point. However, the DSC curve showed a somewhat flunctuating course at a temperature of approximately 80°C and a glass transition was reported at 35°C.
In a study conducted according to OECD test guideline 113 (1981) which was performed in order to measure the thermal stability, a small but sharp endothermic peak was also detected during the DSC measurement. Thus, the substance is considered to melt at approximately 50 to 60°C.
In a study according to OECD test guideline 104 (2006) a preliminary test was performed in order to determine the melting behaviour of Compimide 183. Melting of the substance was optically determined. The substance began to melt at 56°C and was completely molten at 76°C, thus the melting point of the test item is considered to be 76°C.
The melting point of Compimide was determined with two different methods. During the DSC measurements no defined endothermic peak was observed although the results revealed a reaction at lower temperatures. The results of the optically determination of the melting point substantiate the assumption that Compimide has a low melting point. The melting point of the test item is considered to be 76°C based on the optical detection in a preliminary test conducted during the determination of vapour pressure.
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