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EC number: 618-920-1 | CAS number: 93280-40-1
- 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
Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
Description of key information
14 -d EC10 = 11 mg V/kg soil dw (ISO 11269 -2, Hordeum vulgare, shoot yield)
Corrected for the molecular weight of vanadylhydrogenphosphate-hemihydrate (CAS no. 93280-40-1): 14-d EC10 = 37 mg /kg soil dw
Key value for chemical safety assessment
- Long-term EC10, LC10 or NOEC for terrestrial plants:
- 37 mg/kg soil dw
Additional information
Data on the toxicity of vanadylhydrogenphosphate-hemihydrate (CAS no. 93280-40-1) terrestrial plants are not available; therefore, a read-across approach to structurally similar pentavalent vanadium substances was performed.
Baken et al. (2011) investigated the effects of V (CAS 13718-26-8) in five different natural soils on root growth of Hordeum vulgare according to ISO 11269-1 under GLP. The test substance was either freshly applied to the soil or aged prior to exposure. The 5-d EC10 values ranged from 24 to 370 mg V/kg soil dw. This study yields results on short-term effects of vanadium to terrestrial plants.
The other available data below investigates the long-term effects on terrestrial plants. These results should be regarded in a weight-of-evidence approach in order to take account of a higher number of species and different types of soil.
Baken et al. (2011) used the same soils as in the short-term test to study the growth of plants according to ISO 11269-2 under GLP. Two species were tested: Hordeum vulgare and Lycopersicon esculentum. The 14-d EC10 for H. vulgare ranged from 14 to 180 mg V/kg soil dw. The 14-d EC10 for L. esculentum was 11 to 160 mg V/kg soil dw.
Smith et al. (2013) investigated the shoot yield of five different plant species in artificial soil with an exposure period of 4 to 5 weeks. No guideline was followed for this early seedling growth toxicity test. The following species were tested: Panicum virgatum, Prunella vulgaris, Elymus virginicus, Lycopus americanus, and Lactuca sativa. The NOEC of all five species was 28 mg V/kg soil dw.
Wang and Liu (1999) investigated in a 45-days pot experiment the effects of vanadium on the growth of soybean seedlings (Glycine max) in two soils. No guideline was followed. The test substance was ammonium trioxovanadate (CAS 7803-55-6). There was no difference between root and shoot yield in the experiments, but there was a difference between the two soils. The 45-d NOEC was determined as 97 and >=110 mg V/kg soil dw.
The highest sensitivity was determined for Hordeum vulgare with a 14-d EC10 of 11 mg V/kg soil dw (Baken et al., 2011).
For the assessment of the toxicity of vanadylhydrogenphosphate-hemihydrate (CAS no. 93280-40-1), the effect value based on the vanadium concentration must be corrected for the molecular weight of vanadylhydrogenphosphate-hemihydrate (29.4% V). The corrected effect values are given above (see “Description of key information”).
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