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EC number: 813-937-2
CAS number: 111512-60-8
pH of test solutions
Measured concentration (mg/l)a
pH at start
pH at end
a: Geometric mean of the measured concentrations (also
expressed as measured concentration in the following tables and figure).
Culture temperature ad light intensity in incubator
Culture temperature (°C)
Light intensity (umol m-2s-1
Value of biomass at each time
Cell concentration ( x 104cells/mL)
b: The value based on the measured value of pre-culture
c: The minimum cell growth in control (biomass at the end of
exposure I biomass at the start of exposure) - 37 /0.5 =74
Growth rate and growth inhibition
Growth rate (0-3 day)
Inhibition rate (%)
ErC50 and NOEC
The toxicity of HCFO 1224yd(Z) to algae was measured in a 72 -hour study
conducted in accordance with OECD TG 201. The EC50 (growth rate) was
reported to be >4.87 mg/l and the NOEC (growth rate was reported to be
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