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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

NOEC (3h) = 1000 mg/L (nominal) for activated sludge respiration inhibition (OECD 209)

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

One study is available on the toxicity of aluminium molybdenum oxide to microorganisms. In this study, predominantly domestic activated sludge was exposed to the substance at several concentrations (control, 1.2 and 1.4, 4.0 and 4.6, 9.8 and 11.6, 32.2 and 32.8, 99.8 and 101.2, 318.8 and 320.2, 996.0 and 1000.6 mg/L (measured)) (Muckle, 2012). The test was conducted according to GLP and OECD 209. No effects on respiration rate were observed in any of the treatments and as a result, a NOEC (3 h) of 1000 mg/L was obtained.