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EC number: 813-358-5 | CAS number: 4886-26-4
- 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:
- December 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:
- Regulation (EC) No 440/2008 of 30 May 2008
- Deviations:
- not specified
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- 168.61 °C
- Decomposition:
- yes
- Decomp. temp.:
- >= 168 °C
- Sublimation:
- no
- Conclusions:
- The melting point of N-Phenyl-N'-[phenylamino)sulfonyl]urea is 168.61 °C (441.76 K). Under the conditions of measurement a decomposition of the substance is observed at temperatures above the melting temperature.
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- December 2016 - January 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 113
- Version / remarks:
- 12. May 1981
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Melting / freezing pt.:
- 161.42 °C
- Decomposition:
- yes
- Decomp. temp.:
- ca. 164 °C
- Sublimation:
- no
- Conclusions:
- The melting temperature 161.42 °C was measured.
Referenceopen allclose all
The samples were heated under inert gas from 20 °C to 190 °C using a heating rate of 10 K/min. As reference an empty crucible of the same kind was used. The heat flow and temperature was recorded by the DSC during the test. After the test the appearance of the test substance was inspected for visual changes and the crucible was weighted.
The weight of the used crucibles were unchanged after measurement. When heating the same sample again after determination of the melting point only a baseline was recorded. The test samples appeared as solid and slightly yellow.
The thermal behaviour of N-Phenyl-N'-[(phenylamino)sulfonyl]urea was measured with diffential scanning calorimetry, heating rate 3 °C/min. A small exothermal peak was detected at temperatures slightly above the melting point.
Description of key information
The melting point was determined by differential scanning calorimetry. Under the conditions of measurement a decomposition of the substance is observed at temperatures slightly above the melting temperature.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 161.42 °C
Additional information
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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