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EC number: 612-023-9 | CAS number: 607724-37-8
Endpoint summary
Administrative data
Description of key information
Appearance / physical state / colour:
On the basis of physical observation and using the sense of smell, the appearance of 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was observed to be a orange colored solid powder organic compound.
Melting point/ Freezing point:
Based on prediction done using MPBPVP v1.43, the melting point of chemical 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was estimated to be 307 °C.
Boiling point:
Based on prediction done using MPBPVP v1.43, the Boiling point of chemical 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2 -(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was estimated to be 810 ˚C.
Density:
The density of chemical 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2 -(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was estimated to be 1.91 ± 0.1 g/cm3.
Particle size distribution (Granulometry):
The particle size distribution of 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 147 micron to 52 micron.
Vapour pressure:
The estimated vapour pressure of the test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) at 25deg C was 3.8797E-17 Pa (2.91E-19 mm Hg).
Partition coefficient:
KOWWIN V1.68 was used to estimate the octanol water partition coefficient of the test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) (CAS no. 607724-37-8)
The estimated logPOW of the test substance was -1.92 dimensionless.
Based on the estimated value, the test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) can be considered hydrophillic in nature, which is also supported by the water solubility of the test substance
Water solubility:
The estimated water solubility of test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) at 25 deg C was 358000 mg/l.
Surface tension:
Based on the prediction done by ACD labs, the surface tension for chemical 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2 -(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was predicted to be 96.4 ± 7.0 dyne/cm.
Flash point:
The flash point of 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2 -(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) is determined to be 323.0 °C.
Autoflammability:
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) is not auto-flammable.
Flammability:
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) 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 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was considered non-flammable.
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.
Oxidising properties:
The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with oxidizing properties and hence the classification procedure does not need to be applied.
pH:
Viscosity:
Additional information
Appearance / physical state / colour:
On the basis of physical observation and using the sense of smell, the appearance of 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was observed to be a orange colored solid powder organic compound.
Melting point/ Freezing point:
Based on the prediction done using the EPI Suite MPVPBP V1.43, the melting point of given chemical was predicted.
The melting point of chemical 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was estimated to be 307˚C.
Boiling point:
Based on the prediction done using the EPI Suite MPVPBP V1.43, the Boiling point of given chemical was predicted.
The boiling point of chemical 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was estimated to be 810 ˚C.
Density:
Based on prediction done using ACD/I-Lab 2.0, the density of chemical 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was estimated to be1.91 ± 0.1g/cm3.
Particle size distribution (Granulometry):
The particle size distribution of 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2 -sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 147 micron to 52 micron.
Vapour pressure:
Modified Grain method (Mean of Antoine and Modified Grain methods) was used to estimate the vapour pressure of the given test substance using MPBPVP v1.43 of EPI SUITE.
The estimated vapour pressure of the test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) at 25deg C was 3.8797E-17 Pa (2.91E-19 mm Hg).
Partition coefficient:
KOWWIN V1.68 was used to estimate the octanol water partition coefficient of the test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) (CAS no. 607724-37-8)
The estimated logPOW of the test substance was -1.92 dimensionless.
Based on the estimated value, the test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) can be considered hydrophillic in nature, which is also supported by the water solubility of the test substance
Water solubility:
WSKOW v1.42 was used to estimate the water solubility of the given test substance.
The estimated water solubility of the test substance 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) at 25 deg C was 358000 mg/l.
Based on the estimated value, the given test substance was considered to be very soluble in water.
Surface tension:
Based on the prediction done by ACD labs Software (v12.1.0.50375), the surface tension for chemical 2-Naphthalenesulfonic acid, 7-amino-4 -hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was predicted to be 96.4 ± 7.0 dyne/cm.
Flash point:
The flash point of 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl]-8-[2-[2-sulfo-4-[[2 -(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) is determined to be 323.0 °C.
On the basis of obtained experimental value the given chemical is not classified as flammable.
Autoflammability:
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) is not auto-flammable.
Flammability:
2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) 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 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2-Naphthalenesulfonic acid, 7-amino-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl] phenyl]diazenyl] -8-[2-[2-sulfo-4-[[2-(sulfooxy) ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:4) was considered non-flammable.
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.
Oxidising properties:
The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with oxidizing properties and hence the classification procedure does not need to be applied.
pH:
Viscosity:
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