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EC number: 237-249-1 | CAS number: 13708-85-5
- 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
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 08/1996 to 12/1996
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: According to REACH Annex VII, 9.2.1.1, column 2, testing is not required, if the substance is inorganic. The existing test is not considered for evaluation of the substance, since it is ambiguous if the test results are reliable.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- GLP compliance:
- no
Test material
- Reference substance name:
- Disodium phosphonate
- EC Number:
- 237-249-1
- EC Name:
- Disodium phosphonate
- Cas Number:
- 13708-85-5
- Molecular formula:
- Na2HPO3
- IUPAC Name:
- disodium phosphonate
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name of test material (as cited in study report): BRÜGGOLEN H-10
- Lot/batch No.: 42101
- Expiration date of the lot/batch: 07.05.1998
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): Veszprém
- Preparation of inoculum for exposure: filtration through a coarse filter, the first 200 ml of the filtrate were discarded - Duration of test (contact time):
- 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 2 mg/L
- Based on:
- test mat.
- Initial conc.:
- 8 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- O2 consumption
Results and discussion
% Degradationopen allclose all
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 7 d
- Remarks on result:
- other: Applicability of the study
- Remarks:
- The result suggests that the substance is not readily biodegradable. However, the test itself is not applicable because the substance is inorganic.
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 14 d
- Remarks on result:
- other: Applicability of the study
- Remarks:
- The result suggests that the substance is not readily biodegradable. However, the test itself is not applicable because the substance is inorganic.
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 21 d
- Remarks on result:
- other: Applicability of the study
- Remarks:
- The result suggests that the substance is not readily biodegradable. However, the test itself is not applicable because the substance is inorganic.
- Key result
- Parameter:
- % degradation (O2 consumption)
- Value:
- 0
- Sampling time:
- 28 d
- Remarks on result:
- other: Applicability of the study
- Remarks:
- The result suggests that the substance is not readily biodegradable. However, the test itself is not applicable because the substance is inorganic.
BOD5 / COD results
BOD5 / CODopen allclose all
- Key result
- Parameter:
- COD
- Value:
- ca. 0.12 mg O2/g test mat.
- Key result
- Parameter:
- BOD5
- Value:
- ca. 0 mg O2/g test mat.
- Remarks on result:
- other:
- Remarks:
- Under the above test conditions in the case of test substance Brüggolen H10 biodegradability couldn 't be calculated because the minus BOD value.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not applicable
- Interpretation of results:
- not readily biodegradable
- Conclusions:
- Study design was not suitable for inorganic substances.
- Executive summary:
The test substance was not readily biodegradable under the conditions of the test.
However, according to REACH Annex VII, 9.2.1.1, column 2, the test is not applicable for inorganic substances.
Therefore, the test results were not used for hazard evaluation of the substance.
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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