Registration Dossier
Registration Dossier
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EC number: 292-564-1 | CAS number: 90640-45-2
Endpoint summary
Administrative data
Description of key information
The registered substance has a tonnage band of 10 - 100 tpa therefore as laid down in Annex VIII of REACH (Regulation 1907/2006/EC), the terrestrial studies are not required.
Additional information
One long-term terrestrial test is performed with diamines.
The effects of the hydrogenated diamine C16 -18 (CAS 133779 -11 -0) on mortality, biomass and reproduction of Eisenia fetida was tested according to OECD 222 under a static exposure for 28 days. Natural soil (Lufa 2.2) was used as substrate, and the different concentration of the substance mixed with the substrate. The concentrations applied were 125, 250, 500, and 1,000 mg/kg soil dry weight. In addition tests using control and vehicle control were performed.
The test is valid without restrictions and the results are reliable. After 28 days of exposure, no effects on survival of the adult worms were observed in all concentrations. After the following four weeks, no significant effects on the reproduction rate (average number of juveniles) were observed compared to the control. Hence, the NOEC is 1000 mg/kg dw soil.
Similar toxicity is anticipated for organisms living in the terrestrial compartments for diamines with different alkyl chain lengths on the fact that the main exposure route for sorbing substances is via ingestion and the limited difference in sorption to sediment because the main driver in alkyl-1,3 -diaminopropanes sorption is ionic interaction.
There are no effects observed in the long term earthworm test at the limit concentration of 1000 mg a.i. /kg dw. This strongly indicates that the substance can not be hazardous to the terrestrial environment. Moreover, the registered substance has a tonnage band of 10 - 100 tpa therefore as laid down in Annex VIII of REACH (Regulation 1907/2006/EC), the terrestrial studies are not required.
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.
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