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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Appearance:

On the basis of physical observation and using the sense of smell, hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was observed to be a solid.

Melting point:

Based on prediction done using MPBPVP v1.43,the melting point of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl -1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 350 Deg C.

Boiling Point:

The study does not need to be conducted because the substance is a solid which melts above 300°C. Based on prediction done using MPBPVP v1.43,the melting point of hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl -1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 350 Deg C.

Density:

The density of hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} is 1.94 g/cm3 at 20°C and 981.6 hPa.

Particle size distribution:

The particle size distribution of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 53 micron.

Vapour pressure:

The study does not need to be conducted because the melting point is above 300°C. Based on prediction done using MPBPVP v1.43,the melting point of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl -1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 350 Deg C.

Partition coefficient:

Based on the available data from modeling database using the KOWWIN V1.68 program, the partition coefficient (log Pow) value of the substance hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 1.7. Thus, on the basis of logPow value, chemicalhexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} can be considered to be hydrophilic in nature.

Water solubility:

The estimated water solubility of hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis {6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} at 25 deg C was 960 mg/l.

Surface tension:

In accordance with column 2 of Annex VII of the REACH regulation, the study need only be conducted if surface activity is a desired property of the chemical. hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} (68991 -98 -0) is used as a dyes. For this use, surface activity is not an important property. Hence this study was considered for waiver.

Flash point:

The flash point of hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 - [(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} is greater than 350°C at 980.9 hPa.

Auto flammability:

hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} is not auto-flammable.

Flammability:

hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was considered non-flammable for chemical safety assessment.

Explosiveness:

The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.

Oxidizing properties:

The study does not need to be conducted because the substance is a solid.

Additional information

Appearance:

On the basis of physical observation and using the sense of smell, hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was observed to be a solid.

Melting point:

Based on the prediction done using the EPI Suite MPVPBP V1.43,the melting point of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was predicted.

The melting point of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 350 ˚C.

Boiling Point:

The study does not need to be conducted because the substance is a solid which melts above 300°C. Based on prediction done using MPBPVP v1.43,the melting point of hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl -1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 350 Deg C.

Density:

The density of hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} is 1.94 g/cm3 at 20°C and 981.6 hPa.

Particle size distribution:

The particle size distribution of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 53 micron.

Vapour pressure:

The study does not need to be conducted because the melting point is above 300°C. Based on prediction done using MPBPVP v1.43,the melting point of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl -1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 350 Deg C.

Partition coefficient:

Based on the available data from modeling database using the KOWWIN V1.68 program, the partition coefficient (log Pow) value of the substance hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was estimated to be 1.7. Thus, on the basis of logPow value, chemicalhexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} can be considered to be hydrophilic in nature.

Water solubility:

WSKOW v1.42 was used to estimate the water solubility of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate}.

The estimated water solubility of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} at 25 deg C was 960 mg/l.

Based on the estimated value, hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was moderately soluble in water.

Surface tension:

In accordance with column 2 of Annex VII of the REACH regulation, the study need only be conducted if surface activity is a desired property of the chemical. hexasodium 4,4'-{ethene-1,2-diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} (68991 -98 -0) is used as a dyes. For this use, surface activity is not an important property. Hence this study was considered for waiver.

Flash point:

The flash point determination of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} (CAS No.68991 -98 -0) was done as per the test guideline OECD 103. The method is closed cup method using Pensky Martin’s Flash Point Apparatus. The flashpoint of hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was determine to be greater than 350°C at 980.9 hPa.

Auto flammability:

hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} is not auto-flammable.

Flammability:

hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} does not indicate any ignition when the flame of bunsen burner having temperature of approximately 950°C is brought in contact with it. Thus it can be concluded that hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus hexasodium 4,4'-{ethene-1,2 -diylbis[(3 -sulfonato-4,1 -phenylene)imino(6 -chloro-1,3,5 -triazine-4,2 -diyl)imino]}bis{6 -[(5 -carbamoyl-1 -ethyl-2 -hydroxy-4 -methyl-6 -oxo-1,6 -dihydropyridin-3 -yl)diazenyl]benzene-1,3 -disulfonate} was considered non-flammable for chemical safety assessment.

Explosiveness:

The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties.

Oxidizing properties:

The study does not need to be conducted because the substance is a solid.