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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Adsorption and desorption:

The Koc value for chemicalN-(4-{bis[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium chloride is estimated by using Structure estimation method based on molecular connectivity indices. The estimated Koc value is 610000 dimensionless and log Koc is 5.7853. Based on this value,N-(4 -{bis[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium chloride is expected  to have very strong sorption to soil and sediment and therefore have negligible migration potential to ground water.

Additional information

Adsorption and desorption:

Different studies results for target chemical N-(4-{bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride( CAS no.548 -62 -9) and supporting study for its read across chemical for adsorption endpoint were reviewed as follow.

 

The Koc value for chemical N-(4-{bis[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium chloride is estimated by using Structure estimation method based on molecular connectivity indices . The estimated Koc value is 610000 dimensionless and log Koc is 5.7853.

 

 Another study was done and Soil Adsorption Coefficient i.e Koc value of N-(4-{bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride (CAS no. 548 -62-9) was estimated using EPI suite, 2017 KOCWIN Program (v2.00) as 467800 L/kg(log Koc=5.670)  by means of MCI method at 25 deg.C. T

 

 In a supporting weight of evidence study the Koc value for read across chemical4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline hydrochloride( CAS No. 2465-27-2)was estimated using structure estimation method. The estimated Koc value is 50000 dimensionless and log Koc is 4.6989.

 

On the basis of above overall results for target chemical N-(4-{bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride( CAS no.548 -62 -9) (from HSDB and EPI suite, 2017), it can be concluded that the Koc value of test substance N-(4-{bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1-ylidene)-N-methylmethanaminium chloride ranges from 50000 to 610000 and log koc ranges from 4.69 to 5.7853 indicating that the test chemical of N-(4-{bis[4-(dimethylamino)phenyl]methylene}cyclohexa-2,5-dien-1 - ylidene)-N-methylmethanaminium chloride has very strong sorption to soil and sediment and therefore have negligible to negligible migration potential to groundwater