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EC number: 681-644-5 | CAS number: 136369-04-5
- 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
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: Knudsen cell
Test material
- Reference substance name:
- potassium 5-amino-1H-1,2,3,4-tetrazol-1-ide
- Cas Number:
- 136369-04-5
- Molecular formula:
- CH2KN5
- IUPAC Name:
- potassium 5-amino-1H-1,2,3,4-tetrazol-1-ide
- Test material form:
- solid: particulate/powder
- Details on test material:
- Batch no.: 08KI030
Constituent 1
Results and discussion
Vapour pressure
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- < 0 Pa
- Remarks on result:
- not measured/tested
- Remarks:
- No vapour pressure could be determined experimentally; as significance and reproducibility were not sufficient. Vapour pressure was calculated as upper limit from the start and end weights of the Knudsen cell after a time period of nine days. The value at 130°C was 2.2 * 10-04 Pa, indicating, that vapour pressure at 20 or 25°C should lie below 10-05 Pa.
Applicant's summary and conclusion
- Conclusions:
- No vapour pressure could be determined experimentally; as significance and reproducibility were not sufficient. Vapour pressure was calculated as upper limit from the start and end weights of the Knudsen cell after a time period of nine days. The value at 130°C was 2.2 * 10-04 Pa, indicating, that vapour pressure at 20 or 25°C should lie below 10-05 Pa as is expected for a substance with ionic character. No significant impact on the assessment of the test item’s behaviour in the environment is expected from the remaining uncertainty in vapour pressure. The result of the test is considered valid.
- Executive summary:
The vapour pressure of 5-Aminotetrazol Potassium was determined following EU A.4 using the effusion method (weight loss). Two experiments were performed at the nominal temperatures 125 oC and 140 oC. No significant and reproducible weight loss was found. As higher temperatures could not be measured due to the limits of the test system, vapour pressure was calculated as upper limit using the weights at the start and at the end of the experiments. The limit vapour pressure at 130 oC is 2.19 * 10–04 Pa. It can therefore be assumed that vapour pressure at 20 oC and at 25 oC lies below 10-05 Pa.
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