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Diss Factsheets
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EC number: 238-953-1 | CAS number: 14882-18-9
- 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:
- 6 October 2011 to 9 December 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted in accordance with OECD and EU guidelines.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 113 (1981) Screening test for thermal stability and stability in air
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Melting / freezing pt.:
- > 500 °C
- Decomposition:
- yes
- Remarks on result:
- other: It can be assumed that the test item underwent endothermic and exothermic decompositions (partial discolouration to black).
- Conclusions:
- The test item, bismuth subsalicylate, has a melting point > 500 °C under atmospheric conditions. It can be assumed that the test item underwent endothermic and exothermic decompositions (partial discolouration to black).
- Executive summary:
The purpose of this study was the determination of the thermal stability and melting point of the test item according to the European Commission Regulation (EC) No. 440/2008, Part A: Methods for the determination of physico-chemical properties. A.1. Melting point / melting range and OECD test guidelines, OECD 102 (1995) Melting point/melting range, OECD 113 (1981) Screening test for thermal stability and stability in air.
An optical inspection of the test item after the measurement showed a partial discolouration to black. The test item showed smouldering directly after the measurement. The test item was still a powder. Due to the optical inspection it can be concluded, that the test item has no melting point up to 500 °C. It can be assumed that the test item underwent endothermic and exothermic decompositions (partial discolouration to black).
Reference
The first DSC-measurement in a closed glass crucible with the test item showed a first endothermic effect in the temperature range 235 °C to 285 °C. This effect is followed directly by an exothermic effect in the temperature range 285 °C to 310 °C with an energy of 15 J/g. In the temperature range 320 °C to 355 °C a second endothermic effect was observed. No further exothermic or endothermic effects were observed up to the final temperature (400 °C).
The second DSC-measurement in a closed glass crucible with the test item showed an endothermic effect in the temperature range 230 °C to 280 °C. No further exothermic or endothermic effects were observed up to the final temperature (500 °C).
An optical inspection showed a discolouration to black after both measurements.
Description of key information
Bismuth subsalicylate has a melting point of greater than 500 °C
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 500 °C
Additional information
A study was conducted to determine the thermal stability and melting point of the test item according to the European Commission Regulation (EC) No. 440/2008, Part A: Methods for the determination of physico-chemical properties. A.1. Melting point / melting range and OECD test guidelines, OECD 102 (1995) Melting point/melting range, OECD 113 (1981) Screening test for thermal stability and stability in air.
Due to the optical inspection it can be concluded, that the test item has no melting point up to 500 °C. It can be assumed that the test item underwent endothermic and exothermic decompositions (partial discolouration to black).
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