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EC number: 233-279-4 | CAS number: 10102-90-6
- 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:
- key study
- Study period:
- Testing was conducted between 12 October 2009 and 10 December 2009.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 15 September 2009, Date of signature: 26 November 2009
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Sponsor's identification: Copper (II) Pyrophosphate
Description :pale blue powder
CAS number: 10102-90-6
Batch number: A
Date received: 28 August 2009
Storage conditions: room temperature in the dark - Key result
- Melting / freezing pt.:
- > 723 K
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: Although the test material was identified as undergoing loss of volatiles from approximately 425 K and approximately 575 K (during heating), these thermal events were not associated with a phase transition (i.e. melting) of the test material.
- Conclusions:
- The test material was determined to have a melting temperature greater than 723 K. Although the test material was identified as undergoing loss of volatiles from approximately 425 K and approximately 575 K (during heating), these thermal events were not associated with a phase transition (i.e. melting) of the test material.
- Executive summary:
Method
The determination was carried out by differential scanning calorimetry (DSC) using the procedure specified in ASTM E537-86, Method A1 Melting/Freezing Temperature ofCommissionRegulation (EC) No 440/2008 of 30 May 2008.
Conclusion
The test material was determined to have a melting temperature greater than 723 K. Although the test material was identified as undergoing loss of volatiles from approximately 425 K and approximately 575 K (during heating), these thermal events were not associated with a phase transition (i.e. melting) of the test material.
Reference
Results
Definitive test
Thermal analysis data for Determinations 1 and 2 are shown in the following tables, respectively.
Thermographic Data – Determination 1
Thermal Event |
Interpretation |
Temperature |
|
ºC |
K |
||
Endotherms (at least 6) |
Start of loss of volatiles End of loss of volatiles |
~152.65 ~300.52 |
~426 ~574 |
Thermographic Data – Determination 2
Thermal Event |
Interpretation |
Temperature |
|
ºC |
K |
||
Endotherms (at least 6) |
Start of loss of volatiles End of loss of volatiles |
~151.75 ~301.44 |
~425 ~575 |
Please see attachment for Thermogram data.
Description of key information
The test material was determined to have a melting temperature greater than 723 K / 450°C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 450 °C
Additional information
One key study exists. The melting point of copper (II) pyrophosphate was determined according to EU Method A.1 (Melting / Freezing Temperature) and under the conditions of GLP. The test material was determined to have a melting temperature greater than 723 K / 450°C. Although the test material was identified as undergoing loss of volatiles from approximately 425 K and approximately 575 K (during heating), these thermal events were not associated with a phase transition (i.e. melting) of the test material.
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