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EC number: 200-661-7
CAS number: 67-63-0
The aquatic toxicity was estimated using the Petrotox computer model,
which combines a partitioning model used to calculate the aqueous
concentration of hydrocarbon components as a function of substance
loading with the Target Lipid Model used to calculate acute and chronic
toxicity of non-polar narcotic chemicals. Petrotox computes toxicity
based on the summation of the aqueous-phase concentrations of
hydrocarbon block(s) that represent a hydrocarbon substance and
membrane-water partitioning coefficients (KMW) that describe the
partitioning of the hydrocarbons between the water and organism. The
2-propanol estimated freshwater invertebrate 21-day NOELR (No Observed
Effect Loading Rate) value is >1000 mg/L based on reproduction of Daphnia
A QSAR using the Petrotox computer model reported a long-term NOELR
value of >1000 mg/L for Daphnia magna.
The target lipid model (TLM) has been applied to long-term aquatic
endpoints using the Petrotox computer model (version 3.06). As such,
modelled data are considered fit for purpose.
A supporting study of unassignable reliability reported a 16-day log
NOEC value of 3.37 for the effects of iso-propyl alcohol (IPA) on the
growth of Daphnia magna, which is equivalent to 141 mg/L.
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