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EC number: 244-617-5
CAS number: 21850-44-2
The acute to toxicity of the test substance to Selenastrum capricornutum was examined for 72 hr at 20 °C . EC50 was determined after 48 and 72 hr as > 100 mg/l nominal concentration using WAF
The acute toxicity of Tetrabromobisphenol A, Bis (2,3 -dibromopropyl
ether) to Selenastrum capricornutum was examined by determining the 72
hr EC50 (biomass, growth rate inhibition) at 20°C.
Preliminary investigations of the water solubility of the test sample
indicated that it became more soluble with time and other studies
indicated no toxicity up to 100 mg/l. A limit test at the highest test
concentration was considered most appropriate with WAF prepared at
concentrations of 10 and 100 mg/l, stirred for 10 days.
Both 48 and 72 hr EC50 of the test material to Selenastrum capricornutum
were estimated as > 100 mg/l (WAF nominal concentration) using the
biomass integral and > 100 mg/l (WAF nominal concentration) by growth
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