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EC number: 291-169-1 | CAS number: 90342-32-8
- 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
Short-term toxicity
Decanol branched and linear contains linear decanols and branched decanols (a single methyl branch group in the 2-position).
Where no data is available for decanol branched and linear (CAS 90342-32-8) and a study report is available with the closely related substance decanol (CAS 112-30-1), it will be possible to directly read-across the results. Decanol branched and linear (CAS 90342-32-8) has a type of branched structure termed 'essentially linear' and the physicochemical, toxicological and ecotoxicological properties and behaviour do not differ significantly between such structures and their linear analogues. Additionally the two substances have identical molecular weights. It is therefore possible to read-across between the two substances. The difference in composition is dependent on the manufacturing process which may create linear alcohols or simple mono-branched structures. Direct read-across from decanol (CAS 112-30-1) to decanol branched and linear (CAS 90342-32-8) is therefore scientifically justified.
Reliable short-term toxicity tests results are available for freshwater fish (Pimephales promelas) and invertebrates (Nitocria spinipes). LC50values for the two organisms are 2.4 and 3.1 mg/L respectively. A reliable EC50value in the range of 1-10 mg/L has been estimated by read-across from other taxonomic levels (Fisk et al. 2009). A long-term NOEC of 100 µg/L has been determined for reproduction of Daphnia magna.
At these concentrations decanol is expected to be fully dissolved.In waste-water treatment plant micro-organisms, 1-decanol does not cause inhibition at the limit of water solubility. In view of the ready biodegradability, further information is not required in REACH.
A 6 d EC50 value of 150 mg/kg dw soil (1.3% organic carbon) has been determined for the effects of decanol on population numbers and survival of the ostracod H. incongruens.
Long-term toxicity
Long term toxicity data is available for one of the most sensitive taxonomic groups, (21 d) 100 ug/L NOEC determined on reproduction of D. magna.
With regards to the other long term aquatic toxicity tests (fish and sediment):
In accordance with Column 2 of REACH Annex X, long-term toxicity testing with aquatic organisms (required in Sections 9.1.6 and 9.5.1) are not needed as the chemical safety assessment according to Annex I indicates that these are not necessary.
Moreover, considerable technical difficulties would be expected in the conduct of such a test, due to the very rapid biotic removal of the substance from the test system (based on experience in the long-term aquatic invertebrate study).
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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