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EC number: 239-594-3
CAS number: 15546-11-9
The following information is taken into account for any hazard / risk
/ bioaccumulation assessment:
No information is available for dibutyltin methyl maleate, however it is
possible to read across from the structurally similar compound
dibutyltin dichloride (DBTC).
two studies provided in support of omitting further testing were Tsuda
et al (1986) and The KEMI report (Waterson et al 1994). The Tsuda et al
(1986) study was conducted to non-standard methods, and the parameters
of the study were not comparable to those required for accurate
assessment of this data requirement. Both studies were assigned
reliability scores of 4 (not assignable), this was based on
methodological deficiencies and areas lacking in detail in the reporting
of the study by Tsuda et al (1986).The KEMI report (Waterson et al
1994), is a comprehensive review of mono and di-substituted organotins
and encompasses a later report by Tsuda (Tsuda et al 1988). Both
studies, though not sufficient for assessment indicated that the
potential for bioaccumulation in aquatic species is low.
bioaccumulation is considered to be unlikely further testing was
ommitted in accordance with column 2 of REACH Annex IX. Bioaccumulation
in Aquatic Species does not need to be conducted as the chemical safety
assessment concluded that the substance is of no immediate concern to
the environment. The available data are adequate for classification and
labelling purposes and PBT assessment, so no further testing is
required. Also direct and indirect exposure of the aquatic compartment
No data available. However based on the low BCFs derived from the fish
bioaccumulation study with the structurally similar substance DBTC at
4.3.1 above, there is considered to be a low risk of bioaccumulation.
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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