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EC number: 293-927-7
CAS number: 91648-65-6
The toxicity of 1,3,4 -Thiadiazolidine-2,5
-dithione, reaction products with hydrogen peroxide and tert-nonanethiol
towards birds was not investigated experimentally. It is not a standard
information requirement in REACH Annex IX and in accordance with REACH
Annex X, Section 9.6.1, column 2, studies on long-term or reproductive
toxicity to birds have not to be conducted due to the existence of a
large mammalian dataset for this substance. Furthermore, secondary
poisoning to birds is unlikely since the bioaccumulation potential is
In addition, the substance is not directly
applied to air or any other terrestrial compartment and based on its
intended use it will not enter the environment. The indirect exposure of
the terrestrial environment to this substance via sewage sludge is also
of no concern based on the treatment of the sludge. In accordance with
Section 9.4 of REACH Annex IX and X, further tests do not need to be
conducted if direct and indirect exposure of the environment is unlikely
as in this case. REACH allows that certain tests may be waived based on
exposure scenarios or an absent, unlikely, not relevant, or not
significant exposure. In addition to the manner of use of this substance
in formulated products at relatively low constituent volume, during
production, formulation, use and waste stages strict management measures
are in place to ensure that the substance or product is not released to
the environment. It is therefore considered that there should be no
exposure of the substance to air and soil and therefore no exposure to
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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