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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

The effect of glycerin exposure over an 8 day exposure period was examined with Scenedesmus quadricauda and Microcystis aeruginosa. Diffferences in turbidity were measured after 8 days and values greater than 3% (EC3) were considered significant. The EC3 was >10,000 mg/L and 2900 mg/L for S. quadricauda and M. aeruginosa.
A 28 day study with 16 different species demonstrated that glycerol was relatively nontoxic.
These values are above the limit dose of 100 mg/L.

Key value for chemical safety assessment

EC50 for freshwater algae:
2 900 mg/L

Additional information