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Environmental fate & pathways

Biodegradation in soil

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Description of key information


Based on EPI prediction Level III Fugacity Model (Full-Output), the estimated half life period of 4-aminoazobenzene-3,4'-disulphonic acid in soil was obtained to be 75 days. Based on this half life value of4-aminoazobenzene-3,4'-disulphonic acid, it is concluded that the chemical is 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 EPI prediction Level III Fugacity Model (Full-Output), the estimated half life period of 4-aminoazobenzene-3,4'-disulphonic acid in soil was obtained to be 75 days. Based on this half life value of4-aminoazobenzene-3,4'-disulphonic acid, it is concluded that the chemical is not persistent in the soil environment.