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EC number: 218-320-6
CAS number: 2116-84-9
Short-term toxicity to algae: 72 h ErC50 >2.2 µg/L
and NOEC: =2.2 µg/L (geometric mean measured, highest concentration
A 72-hour EC50 value of >2.2 µg/L and NOEC of =2.2 µg/L
(geometric mean measured, highest concentration tested) (guideline OECD
201) have been determined for the effects of the analogous/structurally
related substance decamethyltetrasiloxane (L4, CAS 141-62-8) on growth
rate of Pseudokirchneriella subcapitata. In view of the static
regime of the test, and the neutral pH for the first two days of the
test, it is likely that the test organisms will have been exposed,
predominantly, to the parent substance.
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