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EC number: 485-350-6 | CAS number: 405095-33-2
- 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:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP-Guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
- Report date:
- 2010
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 A (Ready Biodegradability: DOC Die Away Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- -
- EC Number:
- 485-350-6
- EC Name:
- -
- Cas Number:
- 405095-33-2
- Molecular formula:
- C15 H22 N6 O4
- IUPAC Name:
- bis([amino(phenylamino)methylidene]azanium) hydrate carbonate
- Reference substance name:
- (N-phenylcarbamimidoyl)ammonium carbonate
- EC Number:
- 613-106-2
- Cas Number:
- 6291-89-0
- IUPAC Name:
- (N-phenylcarbamimidoyl)ammonium carbonate
- Details on test material:
- - Name of test material (as cited in study report): Phenylguanidine carbonate monohydrate
- Physical state: Solid / grey
- Homogeneity: Homogeneous
- Analytical purity: 100 area-%, determined by HPLC chromatography The identity of the test substance was confirmed by 1H-NMR spectroscopy (BASF report No. 10L00155)
- Lot/batch No.: KG1/511.feucht
-Storage stability: The stability under storage conditions over the exposure period was guaranteed by re-analysis (BASF report No. 10L00155)
- Storage condition of test material: Storage at room temperature
-Water solubility: In a preliminary test the amount of 122.4 mg test substance was added to a 1000 mL volumetric flask. After addition of about 600 mL demineralized water the sample preparation was stirred and made up to the mark. The test substance was completely dissolved, verified by measurement of DOC and TOC.
Constituent 1
Constituent 2
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, non-adapted
- Details on inoculum:
- - Source of inoculum/activated sludge (e.g. location, sampling depth, contamination history, procedure): Municipal activated sludge from the wastewater treatment plant of Mannheim, Germany.
- Storage conditions: aerated in the laboratory until use
- Preparation of inoculum for exposure: sieved by finely woven mesh with a mesh size about 1 mm. After settling
the supernatant was discarded and the sludge suspension was filled up with tap water
- Pretreatment: pre-aerated for about 24 hours at room temperature
- Concentration of sludge: The sludge of the suspension was adjusted to a concentration of 6.0 g/L dry weight. Aliquots of 5 mL were added to the test vessels to obtain a sludge concentration of 30 mg/L dry substance. - Duration of test (contact time):
- 20 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 50 mg/L
- Based on:
- test mat.
- Initial conc.:
- 20 mg/L
- Based on:
- DOC
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- DOC removal
- Details on study design:
- TEST CONDITIONS
- Composition of medium:
- Test temperature: 22 +/- 2°C
- pH adjusted: yes
- Aeration: For aeration the test vessels were shaken at a temperature of 22 ± 2°C using an orbital shaker.
TEST SYSTEM
- Number of culture flasks/concentration: 2
- Test performed in open system: yes
SAMPLING
- Sampling frequency: twice per week
- Sampling method: The samples for DOC-analysis were centrifuged for about 15 minutes at 4000 rpm.
- Sample storage before analysis:The samples were analyzed on the day of sampling.
CONTROL AND BLANK SYSTEM
- Inoculum blank: 2
- Abiotic sterile control:1
- Toxicity control: 1
- Other: 1 inhibition control assay and 1 assay for control of adsorption
Results and discussion
% Degradation
- Parameter:
- % degradation (DOC removal)
- Value:
- 90 - 100
- Sampling time:
- 20 d
- Details on results:
- The test substance is readily biodegradable in this test
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
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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