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EC number: 227-815-6
CAS number: 5989-54-8
The ready biodegradability of l-limonene was determined in a Closed
Bottle test performed according to slightly modified OECD, EU and ISO
Test Guidelines, and in compliance with the OECD principles of Good
Laboratory Practice. l-limonene was biodegraded 85% at day 28 fulfilling
the 14d-window hence, this substance is considered as readily
In accordance with REACH Annex VIII column 2, the hydrolysis study does
not need to be conducted as the substance is readily biodegradable.
Koc has been estimated by 3 valid QSAR methods according
to theECHA Guidance (chapter R.7.a,paragraph
R.7.1.15). The Koc endpoint value of 2413 L/kg is the
geometric mean of the results obtained and is used as input parameter
for Environmental Risk Assessment.
An estimated BCF of 683 L/kg ww was calculated for l-limonene, using a
log Kow of 4.53 and the geometric mean value of three validated
QSARs resultsas recommended in ECHA guidance R7c.This value is
indicative of the potential to bioaccumulate for classification purposes.
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