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EC number: 214-244-2
CAS number: 1117-31-3
The PBT Assessment for 1,3-butylene diacetate is based on the
criteria set out in the “Guidance on information requirements and
chemical safety assessment, Chapter R.11: PBT Assessment” (ECHA, 2008).
1,3-butylene diacetate is readily biodegradable in one study
according to OECD 301B (82% (CO2 evolution) in 28 d). Thus, the test
substance does not meet the screening criterion for persistency and it
is not considered to be persistent (P) or very persistent (vP).
1,3-butylene diacetate has a log Kow of 1.31 (KOWWIN v1.68). Thus,
the test substance does not meet the screening criterion for
bioaccumulation and it is not considered to be bioaccumulative (B) or
very bioaccumulative (vB).
Long-term toxicity testing with Pseudokirchneriella subcapitata
resulted in a NOEC (72 h) of ≥ 100 mg/L (nominal)/≥ 60 mg/L (geometric
mean). Moreover, the test 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.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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