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EC number: 221-312-5
CAS number: 3064-73-1
Toxicity to fish
The acute toxicity of TiBTD was assessed with acute fish toxicity
test on Zebrafish (Brachydanio rerio), over an exposure period of 96
hours in a semi-static system. Under the conditions of this study, the
observed and calculated endpoints for the effect of CARVACROL were as
the following: The 24h, 48h, 72h and 96h LC50
values were all found to be > 100% saturated solution
(nominal). The 96h NOEC value was 100% saturated solution
(nominal).Based on the results, the test item TiBTD had no toxic effect
at saturation on fish.
Toxicity to aquatic invertebrates
Acute toxicity of TiBTD on Daphnia magna was assessed in an acute
immobilisation test, over an exposure period of 48 hours in a
semi-static test system. Under the conditions of this Daphnia magna
acute immobilisation study, the observed endpoints for the effect of
TiBTD were the followings: The 24h and 48h EC50
values were > 100% saturated solution. The 48h NOEC and
LOEC were 100% saturated solution and > 100% saturated solution,
respectively. Based on the results, the test item TiBTD had no toxic
effect of the test item in the test medium.
Toxicity to algae
The effect of TiBTD test item was assessed on algal growth using
the unicellular green alga Pseudokirchneriella subcapitata
(formerly known as Selenastrum capricornutum), over an exposure
period of 72 hours. Based on the results of this study, the test item
TiBTD had no toxic effect at saturation; the EC50 and the LOEC are
higher than the solubility level of the test item in the test medium.
Toxicity to micro-organisms
The effect of TiBTD on the total respiration rate of activated sludge
microorganisms was investigated in this study. The 3- hour EC50 value is
> 1000 mg/L. The Based on the results of the study, the test item TiBTD
had no inhibition effect on the total respiration rate of the
microorganisms of the activated sludge at 1000 mg/L.
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