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Appearance:

On the basis of physical observation and using the sense of smell, 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was observed to be a reddish yellow powder.

Melting point:

Based on prediction done using MPBPVP v1.43,the melting point of 2-[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was  estimated to be 244.65 Deg C.

Boiling Point:

Based on prediction done using MPBPVP v1.43,the Boiling point of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was  estimated to be 568.62 Deg C.

Density:

Based on prediction done using ACD/I-Lab 2.0, the density of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was estimated to be 1.38 g/cm3 at temperature 20 Deg C.

Particle size distribution:

The particle size distribution of 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.

Vapour pressure:

The estimated vapour pressure of 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide at temperayure 25 Deg C was 2.67E-10 Pa.

Partition coefficient:

Based on the available data from modeling databases using the KOWWIN V1.68 programme, octanol water partition coefficient (log Pow) value of the test substance 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was estimated to be 4.608. Thus, on the basis of logPow value, chemical 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl) diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide can be considered to be hydrophobic in nature.

Water solubility:

The estimated water solubility of 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide at 25 deg C was  0.1227 mg/l.

Surface tension:

Based on the data from ACD labs, surface tension for 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was predicted to be 0.0522 N/m.

Flash point:

Flash point of chemical 2-[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide is estimated to be 305 Deg C.

Auto flammability:

2-[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide is not auto-flammable.

Flammability:

2-[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide 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 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was considered non-flammable for chemical safety assessment.

Explosiveness:

The study does not need to be conducted because the substance contains chemical groups associated with explosive properties which include oxygen, but the calculated oxygen balance is less than - 200.

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, 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was observed to be a reddish yellow powder.

Melting point:

Based on the prediction done using the EPI Suite MPVPBP V1.43,the melting point of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was predicted.

The melting point of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was estimated to be 244.65˚C.

Boiling Point:

Based on the prediction done using the EPI Suite MPVPBP V1.43,the Boiling point of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was predicted.

The boiling point of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was estimated to be 568.62˚C.

Density:

Based on prediction done using ACD/I-Lab 2.0, the density of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was estimated to be 1.38 g/cm3 at temperature 20 Deg C.

Particle size distribution:

The particle size distribution of 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determined to be in the range of 150 micron to 25 micron.

Vapour pressure:

Modified Grain method was used to estimate the vapour pressure of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide using MPBPVP v1.43 of EPI SUITE.

The estimated vapour pressure of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide at temperature 25 Deg C was 2.67E-10 Pa.

Partition coefficient:

Based on the available data in a key study from modeling databases using the KOWWIN V1.68 programme, octanol water partition coefficient (log Pow) value of the test substance 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide was estimated to be 4.608.

In a supporting study from modelling database, the partition coefficient (log Pow) value of the substance 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was estimated to be 4.953 ± 0.817 at 25°C.

Thus, based on the available information, the logPow valueof the test substance 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide ranges from 4.6 to 4.9, respectively. On the basis of this value, chemical 2-[(E)-2-(4-chloro-2-nitrophenyl)diazen-1-yl]-N-(4-ethoxyphenyl)-3-oxobutanamide can be considered to be hydrophobic in nature.

Water solubility:

WSKOW v1.42 was used to estimate the water solubility of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide.

The estimated water solubility of 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide at 25 deg C was 0.1227 mg/l.

Based on the estimated value, 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was slightly soluble in water.

Surface tension:

Based on the data from ACD labs, surface tension for 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was predicted to be 0.0522 N/m.

Flash point:

Flash point of chemical 2-[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide is estimated to be 305 Deg C.

Auto flammability:

2-[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide is not auto-flammable.

Flammability:

2-[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide 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 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2 -[(E)-2 -(4 -chloro-2 -nitrophenyl)diazen-1 -yl]-N-(4 -ethoxyphenyl)-3 -oxobutanamide was considered non-flammable for chemical safety assessment.

Explosiveness:

The study does not need to be conducted because the substance contains chemical groups associated with explosive properties which include oxygen, but the calculated oxygen balance is less than - 200.

Oxidizing properties:

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