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EC number: 248-256-4
CAS number: 27138-01-8
The results of the study showed that under valid static test conditions, the maximum concentration causing no mortality and the 96 h-LC50 of the test item to zebra fish are both greater than the nominal concentration of 150mg/L (measured concentration 147 mg/L).
The acute toxicity of test item
(meta-Diisopropanolbenzene) to zebra fish (Brachydanio rerio)
under static conditions, was assessed according to “The guidelines for
the testing of chemicals”, SEPA(HJ/T 153-2004); and with reference to
Procedure 203 of the “Guidelines for Testing of Chemicals” of the OECD:
"Fish, Acute Toxicity Test” (1992).
A limit test was performed with 100 mg/L and
150 mg/L. Water samples taken from the control and the test treatments
in the limit test were analysed. The mean analyzed concentrations were
93.9 mg/L and 147 mg/L respectively. The analytical results showed that
the concentration of the test item is consistent in the test medium
throughout the 96-hour test period (deviation within 20%).
During the whole test period, all fish in
the control groups and treated groups were alive and appeared normal.
The results showed that under valid static test conditions, the maximum
concentration causing no mortality and the 96 h-LC50of the test item to
zebra fish are both greater than the nominal concentration of 150mg/L
(measured concentration 147 mg/L).
The study met the acceptability
criteria prescribed by the protocol (pH: 6.0~8.5; dissolved oxygen
concentration: > 60% of the air saturation value; total hardness:10~250
mg(CaCO3)/L; temperature: 23±2°C.
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