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EC number: 252-104-2
CAS number: 34590-94-8
Several GLP-studies according to OECD guidelines 301F, 301E, 301B and a non-GLP study according to OECD guideline 302B are available for dipropylene glycol methyl ether. In addition an anaerobic biodegradation study conducted according to GLP is available.
Dipropylene glycol methyl ether meets
the criteria for ready biodegradation passing the 10 day window in an
OECD 301 F (GLP). Degradation based on oxygen consumption reached 75 %
after 10 days and 79% degradation after 28 days. The formation of CO2reached
76% CO2, suggesting the extensive mineralisation of
dipropylene glycol methyl ether. Other studies support the
biodegradation results of dipropylene glycol methyl ether, such as shown
in an OECD 301E study (72.9 % based on DOC) and in an inherent OECD 302
B study (94% based on DOC) and in a 301 B modified Sturm test (34%
Based on the available test results,
dipropylene glycol methyl ether can be classified as ”Readily
biodegradable passing the 10 day window”.
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