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EC number: 204-424-9
CAS number: 120-78-5
The effects of the test item RUBATOR MBTS on the emergence and growth of
seedlings were tested in the laboratory.
The test item had no statistically significant adverse effect on either
seedling emergence, seedling survival, shoot length or shoot fresh
weight of any of the six test species at concentrations up to and
including 1000 mg/kg soil dry weight, which was the highest tested
The NOEC and LOEC were therefore determined to be ≥1000 mg/kg soil dw
and > 1000 mg/kg soil dw, respectively.
Due to the lack of adverse effects effective concentrations could not be
calculated and are assumed to be higher than 1000 mg/kg dw.
The long-term effects of di(benzothiazol-2-yl) disulphide on terrestrial
plant seedling emergence and seedling growth was investigated according
to the OECD guideline 208. The test species were
two monocotyledonous species, Avena sativa (oat) and Allium cepa
(onion), as well as four dicotyledonous species, Brassica napus (rape),
Cucumis sativus (cucumber), Pisum sativum (pea) and Solanum lycopersicum
(tomato). Duration of the test was either 14 days (A. cepa, A. sativa,
P. sativum), or 15 days (C. sativus, S. lycopersicum), or 16 days (B.
napus). Taking into account the emergence, survival and growth as basis
of effect, the test substance showed a NOEC of >= 1000 mg/kg dw and a
LOEC of >1000 mg/kg dw for all test species (ECT 2017).
Therefore, it can be concluded that di(benzothiazol-2-yl) disulphide has
no chronic effects to terrestrial plants.
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