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EC number: 600-975-8 | CAS number: 110615-47-9
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
D-Glucopyranose, oligomeric, C10-16-alkyl polyglycosides (CAS: 110615-47-9) is readily biodegradable according to the OECD criteria.
Key value for chemical safety assessment
Additional information
Several tests investigated the biodegradation of D-Glucopyranose, oligomeric, C10-16-alkyl polyglycosides (CAS: 110615-47-9). Most of the tests were performed according to OECD guidelines. More precisely the following tests were performed: OECD 301 A “DOC Die-Away Test”, OECD 301 D “Closed Bottle Test”, OECD 301 E “Modified OECD Screening Test”, 302 C “Inherent Biodegradability: Modified MITI Test (II) ” and OECD 306 “Biodegradability in Seawater”. The non-OECD test is ISO 10708 “Water quality - Evaluation in an aqueous medium of the ultimate aerobic biodegradability of organic compounds-Determination of biochemical oxygen demand in a two-phase closed bottle test”. The biodegradation in the freshwater and in the marine compartment were covered with these tests. Activated sludge, sewage or natural water was used as inoculum. D-Glucopyranose, oligomeric, C10-16-alkyl polyglycosides (CAS: 110615-47-9) is considered to be “readily biodegradable” according to the OECD criteria. 88% of the test substance was biodegraded based on the O2-consumption (Stelter, 1994a). A few studies supported this result (Stelter, 1994b, c, d; Mitsubishi chemical safety science institute, 1991 and Garcia et al., 1997). Investigations in natural seawater showed that the test substance was degraded to 44 – 65% after 28 days (Laud, 2004). The biodegradation in natural river water was tested in a further study which did not follow any accepted guideline. Here the test substance was almost completely degraded after one week. The calculated half-life was 11.9 h under the conditions tested (Geisel, 1999). In conclusion, D-Glucopyranose, oligomeric, C10-16-alkyl polyglycosides is “readily biodegradable” according to the OECD criteria.
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