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Diss Factsheets
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EC number: 601-601-6 | CAS number: 119345-04-9
- 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
Adsorption / desorption
Administrative data
Link to relevant study record(s)
Description of key information
The measured log Koc values for an analogous and more hydrophobic surfactant substance ranged from 4.54 to 4.81. The DOWFAX 2A1 substance differs from this reference substance in that the alkyl chain (hydrophobe) has four fewer methylene carbons, and thus will have a lower expected Koc value. A value of log Koc = 3.0 is used in the chemical safety assessment, as this provides a more conservative basis (resulting in lower PNECsoil and PNECsed values via the equilibrium partitioning method. The substance can be regarded as having moderate potential for adsorption to organic matter of soil, sediment, and wastewater biosolids.
Key value for chemical safety assessment
- Koc at 20 °C:
- 1 000
Additional information
The adsorption/desorption of a structurally similar surfactant (DOWFAX 8390) was evaluated on three soils, according to OECD guideline 106. The DOWFAX 8390 substance may be regarded as more hydrophobic and having higher adsorption potential than DOWFAX 2A1, as the former substance has mono- and di-alkyl C16 groups while the latter has C12 groups. Based on results for DOWFAX 8390, the experimentallog Koc values for this substance ranged from 4.54 to 4.81. Linear regression of measured log Koc values for a series of C6, 8,10, and 12 normal alcohols gives a linear relationship, with contribution of each methylene carbon of log Koc = 0.43. Since DOWFAX 2A1 has four fewer methylene groups (i.e, correction to log Koc = 4 * 0.43 = 1.7) than DOWFAX 8390, log Koc of approximately 2.8 to 3.1 can be derived for DOWFAX 2A1. Based on a midpoint estimate of log Koc = 3.0, the DOWFAX 2A1 substance can be regarded as having moderate potential for adsorption to organic matter of soils, sediments, and wastewater biosolids.
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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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