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EC number: 296-117-1 | CAS number: 92257-28-8
Endpoint summary
Administrative data
Description of key information
Appearance:
On the basis of physical observation and using the sense of smell, 2-Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 - (phenylazo) phenyl]azo]-, ar' and ar''-Me derivs was observed to be a dark red clear liquid.
Melting point:
The Freezing point of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs.; CAS No. 92257 -28-8 was determined with Freezing Temperature Method and it was determine to be less than - 8.14 °C at 966.8 hPa.
Boiling Point:
The boiling point determination of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257-28-8) was done following OECD Guideline 103 and according to the method of Siwoloboff. The test was conducted in replicates and mean was determine to be 184.3°C at 967.4 hPa.
Density:
The density of test item 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257 -28-8)was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using pyknometer. The mean density of test item was determine to be 1.1201 g/cm³at 20 °C and 968.7 hPa.
Particle size distribution:
The study does not need to be conducted because the substance is marketed or used in a non solid or granular form. On the basis of physical observation and using the sense of smell, 2 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 - (phenylazo) phenyl]azo]-, ar' and ar''-Me derivs was observed to be a dark red clear liquid.
Vapour pressure:
The estimated vapour pressure of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. at 25 deg C was 1.49E-10 Pa.
Partition coefficient:
KOWWIN V1.68 was used to estimate the octanol water partition coefficient of the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen- 2-amine (92257-28-8).The estimated logPOW of the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen-2-amine was 8.2101. Based on the estimated value, the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen-2-amine can be considered hydrophobic in nature, which is also supported by the water solubility of the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen-2-amine.
Water solubility:
The water solubilitydetermination of test item 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs.;CAS No.92257-28-8 was doneby spectrophotometric method. The water solubility was determine to be 0.0165 mg/L at 25°C.
Surface tension:
Based on the data from ACD labs, surface tension for 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. was predicted to be 0.0396 N/m.
Flash point:
The flash point determination of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257-28-8)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was determine to be 81.3°C at 967.9hPa.
Auto flammability:
2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. is not auto-flammable.
Flammability:
2-Naphthalenamine, N-(2-ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. 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 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. 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 liquid.
Stability in organic solvents and identity of relevant degradation products:
The study does not need to be conducted because the stability of the substance is not considered to be critical.
pH:
The pH determination of test item 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No 92257-28-8) was done following OECD guideline 122. pH of 1% w/v emulsion was measured with the help of pH meter and it was observed to be 4.65 at 26.7 °C.
Dissociation constant:
The study does not need to be conducted because the substance is insoluble.
Viscosity:
Kinematic viscosity (experimental) of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs.( CAS No. 92257-28-8)at 20°C and 40°C is 154.0292 mm²/sec and 53.3520 mm²/s,respectively.
Dynamic viscosity (calculated) of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs.( CAS No. 92257-28-8)at 20°C and 40°C is 172.5281mPa.S and 59.7595 mPa.S, respectively.
Additional information
Appearance:
On the basis of physical observation and using the sense of smell, 2-Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 - (phenylazo) phenyl]azo]-, ar' and ar''-Me derivs was observed to be a dark red clear liquid.
Melting point:
The Freezing point determination of 2-Naphthalenamine, N-(2- ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No.92257-28-8) was done using crushed ice and salt. No freezing was observed up to -8.14.°C. Hence, the freezing point was inferred to beless than -8.14 °C at 966.8 hPa.
Boiling Point:
The boiling point determination of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257-28-8) was done following OECD Guideline 103 and according to the method of Siwoloboff. The test was conducted in replicates and mean was determine to be 184.3°C at 967.4 hPa.
Density:
The density of test item 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257-28-8)was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using pyknometer. The mean density of test item was determine to be 1.1201 g/cm³at 20 °C and 968.7 hPa.
Particle size distribution:
The study does not need to be conducted because the substance is marketed or used in a non solid or granular form. On the basis of physical observation and using the sense of smell, 2 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 - (phenylazo) phenyl]azo]-, ar' and ar''-Me derivs was observed to be a dark red clear liquid.
Vapour pressure:
Modified Grain method was used to estimate the vapour pressure of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. using MPBPVP v1.43 of EPI SUITE.
The estimated vapour pressure of 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. at 25 deg C was 1.49E-10 Pa.
Partition coefficient:
KOWWIN V1.68 was used to estimate the octanol water partition coefficient of the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen- 2-amine (92257-28-8).
The estimated logPOW of the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen-2-amine was 8.2101. Based on the estimated value, the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen-2-amine can be considered hydrophobic in nature, which is also supported by the water solubility of the test substance N-(2-ethylhexyl)-1-[4-(2-phenyldiazen-1-yl)phenyl]naphthalen-2-amine.
Water solubility:
The water solubility determination of test item 2 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257 -28 -8) was done as per the OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of (2 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. of CAS No: 92257 -28 -8 ) in water was determine to be 0.0165 mg/L at 25°C. From this solubility value it is concluded that (2 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. is insoluble in water.
Surface tension:
Based on the data from ACD labs, surface tension for 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. was predicted to be 0.0396 N/m.
Flash point:
The flash point determination of Test item 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257-28-8 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus. The meanflash point of the test item was determine to be 81.3°C at 967.9 hPa.
Auto flammability:
2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4- (phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. is not auto-flammable.
Flammability:
2-Naphthalenamine, N-(2-ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. 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 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2 -Naphthalenamine, N-(2 -ethylhexyl)-1 -[[4 -(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. 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 liquid.
Stability in organic solvents and identity of relevant degradation products:
The study does not need to be conducted because the stability of the substance is not considered to be critical.
pH:
The pH determination of test item 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No 92257-28-8) was done following OECD guideline 122. pH of 1% w/v emulsion was measured with the help of pH meter and it was observed to be 4.65 at 26.7 °C.
Dissociation constant:
The study does not need to be conducted because the substance is insoluble.
Viscosity:
The viscosity determination of Test item 2-Naphthalenamine, N-(2-ethylhexyl)-1-[[4-(phenylazo)phenyl]azo]-, ar' and ar''-Me derivs. (CAS No. 92257-28-8 )was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Test item at 20°C and 40°C is 154.0292 mm²/sec and 53.3520 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C is 172.5281 mPa.S and 59.7595 mPa.S, respectively.
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