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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Additional information

The alkyl ether sulfates grouped within the AES category show similar structural, physico-chemical, environmental and toxicological properties. The approach of grouping different AES for the evaluation of their effects on human health and the environment was also made by the Danish EPA [1] and HERA [2], supporting the read across approach between structurally related AES.

In case of abiotic degradation hydrolysis is not an important process for alkyl ether sulfates due to the chemical structure of these substances.

All members of the category alkyl ether sulfates are readily biodegradable which is proved by many studies available for the certain mixtures. Due to the ready biodegradability of alkyl ether sulfates it is unlikely that the substances persist in the environment.

Furthermore, the results of different wastewater simulation tests which were conducted according to the OECD guideline 314 show, that alkyl ether sulfates are not persistent in water and are ultimately removed under aerobic and anaerobic conditions.

Due to the low log Kow-value bioaccumulation and adsorption is not expected.


[1] Danish EPA - Environmental and Health Assessment of Substances in Household Detergents and Cosmetic Detergent Products (2001). Environmental Project No. 615, pp. 24-28

[2] HERA - Human & Environmental Risk Assessment on ingredients of European household cleaning products (2004).Alcohol Ethoxysulphates (AES).