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EC number: 261-448-2 | CAS number: 58798-47-3
Endpoint summary
Administrative data
Description of key information
Appearance / physical state / colour:
On the basis of physical observation and using the sense of smell, 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) was observed to be a yellow liquid organic compound.
Melting point/ Freezing point:
The Freezing point of 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3Hindolium acetate; CAS No. 58798-47-3 was determined using Freezing Temperature Method No freezing was observed up to less than -12.2 °C.
Boiling point:
The mean boiling point of Reaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- & acetate was119°C at 971.7 hPa.
Density:
The mean density of 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) was found to be 1.111 g/cm³ at 20°C and 975.0 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 chemical 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3Hindolium acetate (CAS No. 58798-47-3) 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 test substance Reaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- & acetate at 25deg C was 6.84E-12 Pa (5.13E-14 mm Hg).
Partition coefficient:
By using KOWWIN Program (v1.68) of Estimation Program Interface (EPI suite, 2018) the octanol water partition coefficent (log Pow) of chemical Reaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- & acetate was estimated to be 0.96 dimensionless at temparature 25oC. By this log Pow value chemical 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate is expected to be hydrophilic in nature.
Water solubility:
The water solubility for the test item 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate was found to be 392.220 gm/L at 25°C.
Surface tension:
Based on the prediction done by ACD labs, the surface tension for chemical 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No.58798-47-3) was predicted to be 40.2 ± 7.0 dyne/cm.
Flash point:
The mean flash point of 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) was 136°C at 972.7hPa.
Autoflammability :
2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate(CAS No. 58798-47-3) did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) is not auto-flammable.
Flammability:
2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) 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-[[(4 -methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2-[[(4-methoxyphenyl)methylhydrazono]methyl] -1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) 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:
The pH of 1% w/v solution of the test item 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No 58798-47-3) was 3.99 at 26 °C.
Viscosity:
Kinematic viscosity (experimental) of Reaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- & acetate at 20°C and 40°C was 97.4662 mm²/sec and 49.7211mm²/s, respectively.
Dynamic viscosity (calculated) of Reaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- & acetate at 20°C and 40°C was 108.2946 mPa.S and 55.2451 mPa.S, respectively.
Additional information
Appearance / physical state / colour:
On the basis of physical observation and using the sense of smell, 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) was observed to be a yellow liquid organic compound.
Melting point/ Freezing point:
The Freezing point determination of 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No.58798- 47-3) was done using crushed ice + salt. No freezing was observed up to -12.2.°C. Hence, the freezing point was inferred to be less than -12.2 °C at 970.2 hPa.
Boiling point:
The mean boiling point ofReaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- & acetatewas119°C at 971.7 hPa.
Density:
The density of test item 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) was determined following OECD Guideline 109 and according to theIS 4730 : 1994 (Reaffirmed 2010) – Method for Determination of Density of
Liquids (First Revision) using glass pyknometer.The mean density of test item was found to be 1.111 g/cm³at 20°C and 975.0 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 chemical 2-[[(4 -methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3Hindolium acetate (CAS No. 58798-47-3) 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 test substance
2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) using MPBPVP v1.43 of EPI SUITE.
The estimated vapour pressure of the test substance 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) at 25deg C was 6.84E-12 Pa (5.13E-14 mm Hg).
Partition coefficient:
By using KOWWIN Program (v1.68) of Estimation Program Interface (EPI suite, 2018) the octanol water partition coefficent (log Pow) of chemical Reaction mass of 3H-Indolium, 2-[[2-(4-methoxyphenyl)-2-methylhydrazinylidene]methyl]-1,3,3-trimethyl- & acetate was estimated to be 0.96 dimensionless at temparature 25oC. By this log Pow value chemical 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate is expected to be hydrophilic in nature.
Water solubility:
The water solubility determination of test item 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) was done as per the OECD guideline 105 byspectrophotometric analytical method as per OECD 101. The solubility of (2-[[(4 -methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate of CAS No: 58798-47-3) in water was found to be 392.220 gm/L at 25°C.
Hence based on experimental value the the given chemical is considered to be moderatelysoluble in water.
Surface tension:
Based on the prediction done by ACD labs Software (v12.1.0.50375), the surface tension for chemical 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No.58798-47-3) was predicted to be 40.2 ± 7.0 dyne/cm.
Flash point:
The flash point determination of 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) 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 136°C at 972.7hPa.
Autoflammability :
2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate(CAS No. 58798-47-3) did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) is not auto-flammable.
Flammability:
2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) 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-[[(4 -methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2-[[(4-methoxyphenyl)methylhydrazono]methyl] -1,3,3-trimethyl-3H-indolium acetate (CAS No. 58798-47-3) 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:
The pH determination of test item 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3Hindolium acetate (CAS No 58798-47 -3) was done following OECD guideline 122. pH of 1% w/v solution was measured with the help of pH meter and it was observed to be 3.99at 26 °C.
Viscosity:
The viscosity determination of Test item 2-[[(4-methoxyphenyl)methylhydrazono]methyl]-1,3,3-trimethyl-3Hindolium acetate (CAS No. 58798-47-3) 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 was 97.4662 mm²/sec and 49.7211 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C was 108.2946 mPa.S and 55.2451 mPa.S, respectively.
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