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Environmental fate & pathways

Biodegradation in soil

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Description of key information

The PBT Profiler & EPI Suite has estimated that sodium 2-(2-dodecyloxyethoxy) ethyl sulphate is expected to be found predominantly in soil and its persistence estimate is based on its transformation in this medium. Its half-life in soil, 75 days,does not exceeds the threshold of 120 days as per Annex XIII of REACH.Therefore, sodium 2-(2-dodecyloxyethoxy) ethyl sulphate is estimated to be not persistent in the soil environment. 

Key value for chemical safety assessment

Half-life in soil:
75 d
at the temperature of:
25 °C

Additional information

Based on studies of target substancesodium 2-(2-dodecyloxyethoxy) ethyl sulphate reviewed for Biodegradation in soil from reliable sources having Klimisch rating 2.

 

The summary of the results are presented below

 

 

Sr.No

Endpoint

Half life

Parameter

result

Sources

1

ready biodegradability

75 days

Test mat. analysis

Readily biodegradable

Predicted data from PBT profiler and EPI suite

2

ready biodegradability

68 days

-

Readily biodegradable

Predicted data from QSAR

 

By applying weight of evidence approach the target chemical found to be not persistent with half life 68 to 75 days which does not exceeds the threshold (120 days) of not being persistent in soil.Thus it is concluded that sodium 2-(2-dodecyloxyethoxy) ethyl sulphate is biodegradable in soil.

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