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Registration Dossier
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EC number: 200-867-7 | CAS number: 75-38-7
- 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
The test substance is a gas under all environmental conditions and only slightly soluble in water. It has a high vapour pressure and therefore environmental releases will result in virtually all of the substance compartmentalising into the atmosphere. Any potential atmospheric deposition to land and water would result in rapid redistribution from soil and water due to its volatility and low sorption to soil. This is supported by a Level I fugacity model (Mackay, 2003) which is used to calculate the theoretical distribution of VDF between four environmental compartments (air, water, soil, sediment) at equilibrium in a unit world. The model calculates that 100% of VDF partitions to the atmosphere and a very small portion partitions to water (0.03%).
VDF is not expected to hydrolyse under normal environmental conditions.
VDF undergoes reactions with hydroxyl radicals in the atmosphere. Using a degradation rate constant of 2.27E-12 cm3/molecule/ses the half life of VDF AOPWIN™ vv1.92a (U.S. EPA, 2008), based on a 12-hr day with an OH radical concentration of 1.5E6 OH/cm3, is 4.7 days (see Annexes 2 and 3 for the QMRF and QPRF).
No data on biodegradability is available. Information from related gaseous materials (pentafluoroethane and vinylidine chloride) generally showed ≤ 5% degradation (SIDS, 2005 and NITE, 1992) Based on these analogous substances, VDF is not expected to be readily biodegradable (see Annex 4 for the Reporting Format).
Only a calculated organic carbon-water partitioning coefficient (Koc) is available from KOCWIN™ v2.00 (U.S. EPA,, 2008). The calculated Koc is estimated to be 11.9 L/kg (log value is 1.08)(see Annexes 5 and 6 for the QMRF and QPRF).
VDF has an experimental log Kow of 1.24. This value indicates that possible bioaccumulation in the food chain is not significant. Based on its limited water solubility and the substance being a gas, it can be concluded that VDF will volatilize rapidly, and therefore partition nearly exclusively to air (>99%) and will not remain in the water. Significant contact with the organisms in the food chain can therefore considered to be negligible. This is supported by the BCF of 3.06 L/kg calculated with BCFBAF™ v3.00 (U.S. EPA, 2008)(see Annexes 7 and 8 for the QMRF and QPRF).
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