Registration Dossier
Registration Dossier
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EC number: 219-091-5 | CAS number: 2353-45-9
Endpoint summary
Administrative data
Description of key information
Additional information
Biodegradation in water: screening tests
The screening test inherent to the biodegradability of the substance was calculated using the software BIOWIN v4.10. The results indicate that Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(4-hyd- roxy-2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulf- o-, hydroxide, inner salt, disodium salt,is not expected to be readily biodegradable.
Biodegradation in water and sediment: simulation tests
Half life period of Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(4-hyd- roxy-2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulf- o-, hydroxide, inner salt, disodium salt, in water is observed to be 180 days (4.32e+003 hrs.) while in sediment it is 1620.8333 days (3.89e+004 hrs). Based on these half life values of Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(4-hyd- roxy-2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulf- o-, hydroxide, inner salt, disodium salt, it is concluded that the chemical is very persistent in water and sediment.
Biodegradation in soil
EPI Suite has estimated that Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(4-hyd- roxy-2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulf- o-, hydroxide, inner salt, disodium salt, is expected to be found not predominantly in soil and it’s not persistence estimate is based on its transformation in this medium. Its half-life in soil, 42.0833 days (1.01e+003 hrs), does exceeds the threshold of 120 days as per Annex XIII of REACH. Therefore,Benzenemethanaminium, N-ethyl-N-(4-((4-(ethyl((3-sulfophenyl)methyl)amino)phenyl)(4-hyd- roxy-2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene)-3-sulf- o-, hydroxide, inner salt, disodium salt, is estimated to be not persistent in the soil environment.
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