Registration Dossier
Registration Dossier
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EC number: 279-420-3 | CAS number: 80206-82-2
Endpoint summary
Administrative data
Description of key information
Additional information
Terrestrial Effects
There are small data on the toxicity of alcohols to soil dwelling organisms. The significance of this lack of data may need to be considered, since Level III results indicate that if released to air, or directly to soil, e.g. via spreading of WWTP sludge, a significant proportion of longer chain alcohols would be expected to arise in the terrestrial compartment. However, the absolute quantity is expected to be small, and rapid degradation is anticipated, particularly in view of the rapid degradation seen in studies using soils.
In the 21-day acute toxicity study (Steber, J. et al.1988) no toxic effects on Eisenia foetida could be observed. EC0 or NOEC was>1000 mg/kg soil dw
In the chronic 14-day test in the study of Steber, J. et al.1988 on seedling emergence of brassica rapa no toxic effects could be observed. EC0 or NOEC was>1000 mg/kg soil dw
The No effect concentration was NOEC>1000 mg/kg soil.
Secondary poisoning
The possibility of secondary poisoning via the food chain is considered to be minimal. Although the maximum bioconcentration factors are high for some members of the category, these are unlikely to be found in any studies due to the rapid metabolism in vivo; furthermore, exposure would be low due to degradation and in all environmental compartments.
PNECsediment values
There are no toxicity data for sediment-dwelling organisms. For carbon chain lengths greater than C15, chronic toxicity is expected to be greater than the limit of solubility and therefore a sediment PNEC cannot be determined.
PNECsediment values for Alcohols, C12-14 could be calculated from the aquatic values by equilibrium partitioning according to the EU Technical Guidance Document (TGD, 2002) and EPI Suite v 4.1/ECOSARv1.00.
For substances with log Kow>5, it is normal practice to consider the possibility of additional exposure via feeding and this would need to be taken into account in any risk assessment. This is relevant to chain lengths C12 and above.
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