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EC number: 204-101-2
CAS number: 115-70-8
Table 1. Mortality (%) of parental Daphnia
Nominal concentration (mg/L)
Table 2. Cumulative numbers of juveniles produced per adult alive for 21
Mean (a) measured concentration
Mean Cumulative Numbers of Juveniles ± S.D.
Inhibition Rate (%)
160.7 ± 8.5
150.7 ± 10.2
142.2 ± 9.1
p < 0.01
127.7 ± 10.6
90.6 ± 7.0
(a): Time-weighted mean measured concentration
*: Were not calculated because the parental Daphnia was dead during 21
-days testing period.
N.S.: Indicate no-significant difference
NOEC(21d) = 3.99 mg/L for Daphnia magna (OECD 211)
There is one long-term study with aquatic invertebrates available
for 2-amino-2-ethyl-1,3-propanediol (AEPD), which was used
as key study for the assessment. The study was conducted according to
OECD guideline 211 and GLP (MOE, 2004). The test organism Daphnia magna
was exposed to AEPD in a semi-static system for 21 days, at test
concentrations of 3.99, 8.61, 18.7, 41.1, 88.5 mg/L (TWA). As a result,
a NOEC based on reproduction of 3.99 mg/L was obtained.
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