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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

FAT 41048 is considered not to be biodegradable.

Additional information

FAT 41039/A, structural analogue of FAT 41048, was investigated for its inherent biodegradability in a manometric respirometry test over 28 days based on the OECD Guideline for Testing of Chemicals No. 302 C (1981).

The biochemical oxygen demand (BOD) of the test item FAT 41039/A in the test media was in the normal range found for the inoculum controls.

In the procedure controls, the reference item (sodium benzoate) was degraded by an average extent of 74% and 84% by exposure days 7 and 14, respectively, thus confirming the suitability of the activated sludge. At the end of the test (Day 28), the reference item was degraded by an average extent of 89%.

Thus, FAT 41039/A was found not to be biodegradable under the conditions of the test within 28 days. Using principles of read across, FAT 41048 is considered to be not biodegradable.