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EC number: 800-172-4
CAS number: 398141-87-2
SPONSOR: American Chemistry
TITLE: Alkenyl Sulfolane: A
48-Hour Static Acute Toxicity Test with the Cladoceran (Daphnia
WILDLIFE INTERNATIONAL, LTD. PROJECT
TEST DATES: Experimental
Start (OECD & EPA): November 15, 2005 Biological Termination:
November 17, 2005 Experimental Termination: November 18, 2005
LENGTH OF EXPOSURE: 48 Hours
TEST ORGANISMS: Cladoceran (Daphnia
SOURCE OF TEST ORGANISMS: Wildlife
International, Ltd. Cultures Easton, Maryland 21601
AGE OF TEST ORGANISMS:
Neonates <24 hours at test start
TEST CONCENTRATIONS: NOMINAL:
Negative control, 0.31 mg/l, 0.63 mg/l, 1.3 mg/l, 2.5 mg/l, 5.0
mg./l, 10 mg/l
RESULTS & CONCLUSION:
Based on nominal test concentrations
EC50 : 4.6 mg/l
95% Confidence Interval: 2.5 - 10
Concentration: 2.5 mg/l
NOEC: 0.63 mg/l
48h EC50 = 4.6 mg/L, NOEC = 0.63 mg/L; study performed in line with OECD Guideline 202, EPA OPPTS 850.1010 and ASTM Standard E729-96; Palmer and Krueger (2008).
In a GLP compliant short-term toxicity to aquatic invertebrates study
conducted in line with standardised guidelines, the toxicity of the test
substance to Daphnia magna was determined following 48 hour exposure to
the test substance at 0.31, 0.63, 1.3, 2.5, 5.0 and 10 mg/L. Based on
nominal concentrations, the 48 hour EC50
was determined to be 4.6 mg/L (95% C.I. 2.5-10 mg/L). The NOEC was
determined to be 0.63 mg/L and the no-mortality/immobility concentration
to be 2.5 mg/L.
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