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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Endpoint summary

Administrative data

Description of key information

Bioaccumulation: aquatic / sediment

From BCFBAF (v3.00) model of EPI suite Program, the estimated bio concentration factor (BCF) for N-(4-{[4-(dimethylamino)phenyl][4-(methylamino)phenyl]methylene} cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium acetate is 29 L/kg whole body w.w which does not exceed the bio concentration threshold of 2000. Thus it is concluded that N-(4-{[4-(dimethylamino)phenyl][4-(methylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium acetate is not expected to bioaccumulate in the food chain.

Additional information

Bioaccumulation: aquatic / sediment

Two results including different predicted data from validated models for bioaccumulation (BCF) endpoint of target chemical N-(4-{[4-(dimethylamino)phenyl][4-(methylamino) phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium acetate (Cas no. 84434-47-9)were summarized as follows:

 

First prediction done using BCFBAF (v3.00) model indicate the estimated bio concentration factor (BCF) for N-(4 -{[4 -(dimethylamino)phenyl][4 -(methylamino)phenyl]methylene} cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium acetate is 29 L/kg wet-wt which does not exceed the bioconcentration threshold of 2000. Thus it is concluded that N-(4-{[4-(dimethylamino)phenyl][4-(methylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium acetate is not expected to bio accumulate in the aquatic environment.

Above prediction assist by result from CompTox Chemistry Dashboard using OPERA (OPEn (quantitative) structure-activity Relationship Application) V1.02 model in which calculation based on PaDEL descriptors (calculate molecular descriptors and fingerprints of chemical), the bioaccumulation i.e BCF for test substance N-(4 -{[4 -(dimethylamino) phenyl][4 -(methylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium acetate was estimated to be 183 dimensionless.The predicted BCF result was based on the 5 OECD principles. Thus based on the BCF value it is concluded that the test substance N-(4-{[4-(dimethylamino)phenyl][4-(methylamino)phenyl]methylene} cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium acetate is non-bioaccumulative in nature as it does not exceed the BCF criteria of 2000.

Thus based on the above information for bioaccumulation endpoint, it can be concluded that the test substance N-(4 -{[4 -(dimethylamino)phenyl][4 -(methylamino)phenyl] methylene}cyclohexa-2,5 -dien-1 -ylidene)-N-methylmethanaminium acetate (Cas no. 84434-47-9) is expected to be non Bioaccumulative in aquatic environment .