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Ecotoxicological information

Toxicity to soil microorganisms

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Description of key information

Due to the wide nature/variety of microorganisms that can use thiocyanates as sulfur, nitrogen and carbon source, and to the wide occurrence of thiocyanates in nature, thiocyanates are not expected to pose problems for soil microorganisms.

Key value for chemical safety assessment

Additional information

A variety of bacteria have been reported to degrade SCN-. Thiocyanate degrading Pseudomonas spp. have been isolated from sewage waters in coke factories, and activated sludge tanks. Thiobacillus spp. that degrade SCN- have been isolated from such varied sources as marine mud, cattle manure, and pond water, contaminated well water. A SCN- degrading Arthrobacter spp. has been isolated from soil adjacent to a railroad embankment.

Due to the wide nature/variety of microorganisms that can use thiocyanates as sulfur, nitrogen and carbon source, and to the wide occurrence of thiocyanates in nature, thiocyanates are not expected to pose problems for soil microorganisms.