Registration Dossier
Registration Dossier
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EC number: 259-910-3 | CAS number: 55934-93-5
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
Tripropylene glycol n-butyl ether does not have PBT or vPvB Properties.
Tripropylene glycol n-butyl ether meets the criteria for ready biodegradation, passing the 10 day window in an OECD 301F test (key study). Degradation based on oxygen consumption reached 72% after 10 days. The formation of carbon dioxide reached 56% indication substantial mineralization of tripropylene glycol n-butyl ether.
Tripropylene glycol n-butyl ether has a low log Kow (log Kow < 1) and is readily biodegradable, which indicates that tripropylene glycol n-butyl ether offers little potential for bioconcentration in aquatic organisms.
Measured aquatic toxicity data indicate that tripropylene glycol n-butyl ether presents a low toxicity hazard to aquatic species. All EC50/LC50 values (fish, daphnia and algae) are > 100 mg/l.
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