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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 5-nitrosalicylic acid 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, 30 days.,does not exceeds the threshold (60 days) of being persistent in soil.Therefore, 5-nitrosalicylic acid is estimated not to be persistent in the soil environment.Though 5-nitrosalicylic acid shall diffuse to the extent of 76% in the soil medium, the ready bio-degradability will ensure that the chemical shall be non-persistent in the soil.

Key value for chemical safety assessment

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

Additional information

No. of studies of target substance 5-nitrosalicylic acid 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

30days

Test mat. analysis

biodegradable

Predicted data from PBT profiler and EPI suite

2

ready biodegradability

28.399 days

DT50(Dissipation time)

biodegradable

Predicted data from QSAR

 

 

By applying weight of evidence approach the target chemical found to be readily biodegradable with half life 28.399 to 30 days. does not exceeds the threshold (60 days) of being persistent in soil Thus it is concluded that 5-nitrosalicylic acid is biodegradable in soil.