Registration Dossier
Registration Dossier
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EC number: 500-394-9 | CAS number: 157707-87-4
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
The PBT Assessment for D-Glucopyranose, oligomers, branched and linear C9 -11 -alkyl glycosides is based on the criteria set out in the “Guidance on information requirements and chemical safety assessment, Chapter R.11: PBT Assessment” (ECHA, 2008).
Persistence
Screening criteria:
D-Glucopyranose, oligomers, branched and linear C9 -11 -alkyl glycosides is readily biodegradable in a study according to Modified OECD Screening test conditions (66.9% (CO2 evolution) after 28 d). Thus, the substance does not meet the screening criterion for persistence and it is not considered to be persistent (P) or very persistent (vP).
Bioaccumulation
Screening criteria:
D-Glucopyranose, oligomers, branched and linear C9 -11 -alkyl glycosides has a log Pow of <=2.41 (worst-case QSAR, KOWWIN). Thus, the substance does not meet the screening criterion for bioaccumulation and is not considered to be bioaccumulative (B) or very bioaccumulative (vB).
Toxicity
Long-term toxicity testing with Daphnia magna resulted in an EC10 value of 1.76 mg a.i./L for the category member D-Glucopyranose, oligomeric, C10 -C16 alkyl glycosides (OECD 202 part II). Moreover, the substance is not classified according to Directive 67/548/EEC and Regulation (EC) No. 1272/2008 (2nd ATP). Thus, the criteria set out in Annex XIII of Regulation (EC) No. 1907/2006 are not met and the test substance is not considered to meet the T criterion.
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