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EC number: 252-104-2
CAS number: 34590-94-8
Acute toxicity studies have been conducted in fish, daphnia and algae.
In summary, for the aquatic compartment dipropylene glycol methyl ether
shows EC50s/LC50s that exceed 1000 mg/l in daphnia (48 hr), fish (96 hr)
and algae (7 days). The NOEC for reproduction of Daphnia magna
corresponds to the highest concentration tested of 0.5 mg/L in the
long-term test, which was set very low considering the low acute
toxicity of the substance on Daphnia magna. The low chronic
toxicity is highlighted in a freshwater algae test with a NOEC at 1000
mg/L. An activated sludge respiration inhibition test showed an EC50 of
4168 mg/l for micro-organisms. Dipropylene glycol methyl ether is
readily biodegradable and has very low potential for bioaccumulation
(log Kow <1). According to REACH Annex IX requirements, long-term
toxicity testing shall only be considered when the chemical safety
assessment indicates the need for further investigations. Hence,
long-term testing in aquatic species (fish) can be waived for
dipropylene glycol methyl ether.
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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