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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Biodegradation in water: screening tests:

- study conducted according to OECD guideline 301F, GLP, RL1, readily biodegradable


- not necessary because the substance is readily biodegradable


- no test necessary: the substance exhibits a low logKow (-2.5) and therefore adsorption is not expected.

Additional information

For the assessment of biodegradability of alpha methyl glucoside a GLP and OECD compliant study is available.

The biodegradation of the test item after 28 days of incubation in the static test was found to be 86 % (SD = 3.5 %) and 83 % (SD = 2.4 %) in the assays with 100 mg/L and 48 mg/L, respectively. The biodegradation within the 10-day-window was 72 % and 81 % in the assays with 100 mg/L and 48 mg/L, respectively. The 10-day-window started at day 2, independent from test item concentration.

The biodegradation of the item mixture in the toxicity control was found to be 71 % after 14 days of incubation. Thus, the demanded threshold value of 25 % is exceeded and the test item can be identified as non-toxic in a ready biodegradability test. The reference item sodium benzoate was degraded to 85 % within the first 14 days.

Therefore the substance was determined to be readily biodegradable in aerobic aqueous conditions.

Based on the results of the biodegradability test, a test for hydrolysis is scientifically not justified.

Due to the low partition coefficient of -2.5 adsorption is not expected, thus, a test for adsorption is scientifically not justified.