Registration Dossier
Registration Dossier
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EC number: 945-065-4 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Appearance / physical state / colour:
The appearance of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine was observed to be dark red colored clear liquid compound.
Melting point/ Freezing point:
The Freezing point of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine; CAS No. 93964-07-9 was determined using freezing temperature method. No freezing was observed up to less than -11.84 °C.
Boiling point:
The mean boiling point of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9) was150.3°C at 971.3 hPa.
Density:
The mean density of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9) was found to be 1.0978 g/cm³at 20 °C and 970.3 hPa..
Particle size distribution (Granulometry):
In accordance with column 2 of Annex VII of the REAcH regulation this end point was considered for waiver since the given chemical N-(2 -ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine is a liquid and is expected to be marketed or used in a non solid or granular form.
Vapour pressure:
The estimated vapour pressure of the substance N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine at 25 deg C was 8.07E-012 Pa.
Partition coefficient:
Water solubility:
The water solubility for the test item N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine was found to be 0.0191 mg/L at 25°C.
Surface tension:
Based on the prediction done by ACD labs, the surface tension for chemical N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine was predicted to be 40.0 ± 7.0 dyne/cm.
Flash point:
The mean flash point of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine(CAS No. 93964-07-9) was 79.3°C at 977.2hPa.
Autoflammability:
N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2 -amine is not auto-flammable.
Flammability:
N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine 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 N-(2-ethylhexyl)-1-[[2-methyl-4 -[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine 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.
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:
The pH of 1% w/v emulsion of the test item N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No93964-07-9) was 6.14 at 26 °C.
Viscosity:
Kinematic viscosity (experimental) of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine( CAS No. 93964-07-9) at 30°C and 50°C is 52.1170mm²/sec and 49.1530 mm²/s, respectively.
Dynamic viscosity (calculated) of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine( CAS No. 93964-07-9)at 30°C and 50°C is 57.2140 mPa.S and 53.9601 mPa.S, respectively.
Additional information
Appearance / physical state / colour:
Based on available data from obtained report, the appearance of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine was observed to be dark red colored clear liquid compound.
Melting point/ Freezing point:
The Freezing point determination of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964 -07-9) was done using crushed ice and salt. No freezing was observed up to -11.84°C. Hence, the freezing point was inferred to be less than -11.84 °C at 972.4 hPa.
Boiling point:
The boiling point determination of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9) was done following OECD Guideline 103 and according to the method of Siwoloboff. The test was conducted in replicates and mean boiling point was found to be 150.3°C at 971.3 hPa.
Density:
The density of test item N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9) was determined following OECD Guideline 109 and according to the IS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of Liquids (First Revision) usingglass pyknometer. The mean density of test item was found to be 1.0978 g/cm³at 20 °C and 970.3 hPa..
Particle size distribution (Granulometry):
In accordance with column 2 of Annex VII of the REAcH regulation this end point was considered for waiver since the given chemical N-(2 -ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine is a liquid and is expected to be marketed or used in a non solid or granular form.
Vapour pressure:
Modified Grain method (Mean of Antoine and Modified Grain methods) was used to estimate the vapour pressure of the substance N-(2 -ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine using MPBPVP v1.43 of EPI SUITE.
The estimated vapour pressure of the substance N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine at 25 deg C was 8.07E-012 Pa.
Partition coefficient:
Water solubility:
The water solubility determination of test item N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2- amine (CAS No. 93964-07-9) was done as per the OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of (N-(2 -ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine of CAS No: 93964-07-9 )in water was found to be 0.0191 mg/L at 25°C.
Surface tension:
Based on the prediction done by ACD labs Software (v12.1.0.50375), the surface tension for chemical N-(2-ethylhexyl)-1-[[2-methyl-4-[(4 -methylphenyl)azo]phenyl]azo]naphthalen-2-amine was predicted to be 40.0 ± 7.0 dyne/cm.
Flash point:
The flash point determination of N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and mean flash point was found to be 79.3°C at 977.2 hPa.
Autoflammability:
N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2 -amine is not auto-flammable.
Flammability:
N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine 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 N-(2-ethylhexyl)-1-[[2-methyl-4 -[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine 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.
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:
The pH determination of test item N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9 ) was done as per the test guideline OECD 122. The mean pH of the test emulsionwas determined with the help of digital pH meter.
The mean pH was found to be 6.14 at 26 °C.
Viscosity:
The viscosity determination of Test item N-(2-ethylhexyl)-1-[[2-methyl-4-[(4-methylphenyl)azo]phenyl]azo]naphthalen-2-amine (CAS No. 93964-07-9 )was done as per the test guideline OECD 114 using Redwood Viscometer No. 1. Kinematic viscosity (experimental) of Test item at 30°C and 50°C is 52.1170 mm²/sec and 49.1530 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 30°C and 50°C was 57.2140 mPa.S and 53.9601 mPa.S, respectively.
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