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Diss Factsheets
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EC number: 209-143-5 | CAS number: 556-88-7
- 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
Endpoint summary
Administrative data
Description of key information
Additional information
No studies are available with information on toxicity to soil microorganisms, soil macroorganisms and arthropods, and birds.
In Accordance with REACH 9.4 Annex IX, column 2, studies on effects on terrestrial organisms do not need to be conducted if direct and indirect exposure of the soil compartment is unlikely. As direct exposure of the soil and indirect exposure of the soil via sewage treatment plants is not expected, no short-term or long-term toxicity testing on invertebrates and microorganisms must be conducted.
Moreover, long-term toxicity testing shall be proposed by the registrant if the results of the chemical safety assessment according to Annex I indicate the need to investigate further the effects of the substance and/or degradation products on terrestrial organisms. The choice of the appropriate test(s) depends on the outcome of the chemical safety assessment. Apart from its explosive properties, nitroguanidine is not classified as hazardous. Nitroguanidine is practically non-toxic to aquatic vertebrates and invertebrates, plants, and microorganisms. Furthermore, nitroguanidine is not expected to accumulate in soil to any extent. Therefore, nitroguanidine poses no hazard to soil (-dwelling) organisms. Therefore, no long-term toxicity testing of soil organisms is required.
Furthermore, nitroguanidine is practically non-toxic to mammals (acute oral toxicity LD50 4345 mg/kg bw; not irritating to skin; 90 d oral toxicity NOAEL > 1000 mg/kg/d; not mutagenic or carcinogenic; reproductive toxicity NOAEL > 1000 mg/kg/d; not teratogenic; developmental toxicity NOAEL 316 mg/kg/d). No environmental emission of nitroguanidine to the soil is expected. Due to the physicochemical properties of nitroguanidine, no secondary poisoning of birds is expected, either through the consumption of fish or the consumption of earthworms. As such, it is unlikely that nitroguanidine would pose a significant risk to birds; consequently, there is no need to test the long-term or reproductive toxicity of nitroguanidine to birds.
One study is available on toxicity on terrestrial plants. Nitroguanidine was applied to soybeans (Glycine max) in hydroponic culture at concentrations of 0, 2, or 4 mM nitroguanidine as well to soybeans and grasses (Festuca arundinacea) grown in soil treated with 100 mL of either 0, 2, 4, 6, and 8 mM nitroguanidine solutions by applying the solution directly to the soil on alternate days for a total of 5 applications.
After 14 d the application of nitroguanidine led to chlorotic leaves in soybeans grown in hydroponic cultures and in soil cultures at a concentration of 2mM. In both grass species tested (smooth bromegrass and tall fescue, grown in soil cultures), which are less sensitive to nitroguanidine than soybeans, displayed signs of toxicity at concentrations of 4 mM nitroguanidine.
The results of this study indicate that nitroguanidine is toxic towards the soybeans and grass species tested. As direct and indirect exposure of the soil compartment is unlikely, these results only display the potential risk of nitroguanidine but not the actual risk of the test 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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