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EC number: 202-826-9
CAS number: 100-18-5
An OECD 201 study using the mixed isomers (m and p) of diisopropylbenzene was conducted by the Japanese MOE.
In a study conducted according to OECD Guideline 201 (Alga, Growth
Inhibition Test), Selenastrum capricornutum were exposed to
diisopropylbenzene concentrations for 72 h in closed system and EC50 and
NOEC in respect to biomass and growth rate determined. The test was
conducted using solvent (mixture of a dispersant of HCO40 and DMF) and
the estimated values were higher than water solubility, however,
analytical monitoring was done. In respect to biomass the 72 h EbC50
and NOEC were determined to be 1.6 mg/L and 0.31 mg/L (measured
concentrations) and in respect to growth rate the 72 h ErC50 and NOEC
were found to be 2.7 mg/L and 0.69 mg/L (measured concentrations),
respectively. The EC50 and NOEC values are higher than the water
solubility of DIPB thereby indicating that the substance is not toxic at
the limit of water solubility.
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