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EC number: 800-172-4
CAS number: 398141-87-2
The substance was determined to be not
readily biodegradable (OECD 301 B).
A ready biodegradability test was designed
to measure the degree of aerobic aquatic biodegradation of a lubricant
or components of a lubricant by measuring evolved CO2. In the CO2 test,
inoculated mineral medium was dosed with a known amount of test
substance as the nominal sole source of organic carbon and aerated with
CO2-free air. The CO2 produced from the mineralization of organic carbon
within the test chambers is displaced by the flow of CO2-free air and
trapped as K2CO3 in KOH trapping solution. The amount of CO2 produced by
the test substance (corrected for that evolved by the blank inoculum) is
expressed as a percentage of the theoretical amount of CO2 that could
have been produced, if complete mineralization of the test substance
occurred. Test materials that achieve a high degree of biodegradation in
this test may be assumed to easily biodegrade in many aerobic aquatic
environments. A low yield of CO2 does not necessarily mean that the test
substance will not biodegrade under relevant environmental conditions
but that additional testing may be needed to establish biodegradability
Under the conditions of the test, the test substance attained an average
biodegradation of 9.6% ± 3.0 and was not considered to be readily
biodegradable. Data on biodegradation in soil and simulation tests in
water and sediment are not available and this endpoint has been waived
under exposure considerations.
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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