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EC number: 203-603-9
CAS number: 108-65-6
In a hydrolysis study with propylene glycol
methyl ether acetate a half life of 8.1 days was calculated at 25°C and
at pH 9. At pH 4 and 7, propylene glycol methyl ether acetate is stable.
Biodegradation studies in freshwater and in
soil are available for propylene glycol methyl ether acetate. In
freshwater, propylene glycol methyl ether acetate can be classified as
readily biodegradable based on the results of a manometric respirometry
test (OECD GL 301F). In addition several other biodegradation screening
studies are available supporting this result. Rapid biodegradation of
propylene glycol methyl ether acetate was observed in two different
sandy loam soils under aerobic conditions at 25 ± 2 Deg. C. Under
anaerobic conditions propylene glycol methyl ether acetate also rapidly
degraded to propylene glycol methyl ether.
Based on the existing biodegradation data in
freshwater and soil and considering low potentential for adsorption to
sediment. No further biodegradation testing in water and sediment is
required. According to REACH Annex IX requirements, sediment simulation
testing shall only be considered for substances with a high potential
for adsorption to sediment, hence no further simulation tests in water
and sediment are required for propylene glycol methyl ether acetate.
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