Registration Dossier
Registration Dossier
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EC number: 942-597-9 | CAS number: -
Endpoint summary
Administrative data
Description of key information
The test item can be considered neither readily nor inherently biodegradable according to separate readily and inherently biodegradation studies carried out on the substance.
Both key study screening studies demonstrate a significant degree of BOD suggesting substantial primary degradation of the test item, presumably, in the first instance, to the Carboxylic Acid metabolite (GR-89-1938-1), as observed in the OECD 301C study, prior to undergoing further transformation.
Additional information
KEY STUDIES :
OECD 301F (Givaudan Study No. 13-E146) : 22% BOD on Day 28, 31% BOD on Day 55 - Not Readily Biodegradable;
OECD 302C (Givaudan Study No. 13-E155) : 29% BOD on Day 28, 33% BOD on Day 63 - Not Inherently and Ultimately Biodegradable.
SUPPORTING STUDIES :
OECD 301C (CERI Study No. 16639) : 0% BOD on Day 28, 19% dissipation of Parent, test item was oxidized to 1-methyl-2-(5-methylhex-4-en-2-yl)cyclopropanecarboxylic acid (GR-89-1938-1, average production 20%)) and 1-methyl-2-(5-methylhex-4-en-2-yl)cyclopropanecarbaldehyde (GR-50-2063-3, , average production 0.91%) by microorganisms - Not Readily Biodegradable.
SEPA / OECD 301F (NIES Study No. S2014NC060-02) : 8.44% BOD on Day 28 - Not readily Biodegradable.
The registration substance was found to be neither readily nor inherently biodegradable under conservative biodegradation screening test conditions.
Both key study screening studies demonstrate a significant degree of BOD suggesting substantial primary degradation of the test item, presumably, in the first instance, to the Carboxylic Acid metabolite (GR-89-1938-1), as observed in the OECD 301C study, prior to undergoing further transformation.
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