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EC number: 700-916-7 | CAS number: -
- 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 soil
Administrative data
Link to relevant study record(s)
Description of key information
This substance is a complex mixture of hydrocarbons with different biodegradation properties in soil. Testing of this substance is not technically feasible. Read-across data from similar fossil diesel fuels is used as a supporting information for CSA.
Key value for chemical safety assessment
Additional information
This substance is a complex mixture of hydrocarbons with different biodegradation properties in soil. Due to its chemical and physical properties, testing of this substance is not technically feasible. Literature shows that hydrocarbons with similar characteristics are not usually readily biodegradable, but have been demonstrated to be degradable when bioremediated with added nutrition and aeration. Weathering process can also affect the biodegradability and toxicity of petroleum hydrocarbons in soils by changing the hydrocarbon composition (Dorn & Salanitro 2000).
Van Gestel et al. (2001) aimed to investigate the effect of acute and chronic bioassays on ecological risk assessment of mineral oil in historically petroleum contaminated soil. As a part of the study, contaminated soil from harbour was bioremediated in pilot scale bioremediation plant. Bioremediation was done by stimulating microbes with nutrients and air flow. Oil concentrations and chemical characteristics were analysed using gas chromatograph and flame ionization detector.
After 12 weeks of incubation D50 values for samples 3, 5 and 11 were 48 d, 62 d and 56 d. Oil concentration degradation percentages for the same samples were 69 %, 54 % and 63 %, respectively. The number of MPNtotal bacteria and dehydrogenase activity of the oil-polluted soils did not show any correlation with oil concentrations in the soil samples. In general, soil bioremediation resulted in higher microbial biomass densities and decreased oil concentrations.
Dorn & Salanitro (2000) investigated how bioremediation on affects in the toxicity of oily soils by using bioassays. Two soil textures (Norrwood soil and mix of Norrwood/Baccto soil) were artificially contaminated with three different crude oils. Norrwood soil was silty loam obtained from cotton field near College Station, Texas, and contained 15 % clay, 60 % silt and 0.3 % organic carbon. The Baccto topsoil was commercially available sandy loam potting soil. Norrwood/Baccto soil mixture consisted 75 % from Norrwood and 25 % from Baccto soil (v/v) and contained 20 % clay, 56 % silt and 4.65 % organic content. The light crude oil was similar to the renewable hydrocarbons of wood origin (diesel type fraction). Testing was conducted in a pilot plant consisting of stainless steel chambers, which were aerated during the incubation. Before starting the experiment, fertilizer solution was added to each oily soil. The results showed that the average highest degradation was 13 -81 % on all three oils in Norrwood/Baccto soil and 23 -31 % in the Norrwood soil.
On the basis of the literature, fossil diesel fuels similar to renewable hydrocarbons of wood origin are not readily biodegradable in soil, but when conditions are favourable to microbes and there are enough nutrients and air available, biodegradation is a potential fate process in soils.
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