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EC number: 500-020-4 | CAS number: 9005-67-8 1 - 6.5 moles ethoxylated
Endpoint summary
Administrative data
Description of key information
Appearance:
Test substance is an organic solid wax. This substance do not have an characteristic odour and so can be infered to be odourless colourless solid.
Melting point:
The melting point of test chemical by the capillary method was determine to be 39.6 deg C at an atmospheric pressure of 995 hPa. There was no decomposition & sublimation observed of test chemical at the melting point.
Boiling Point:
The boiling point of test chemical by the distillation method was determine to be 90.4 Deg C at the atmospheric pressure of 995 hPa
Density:
The bulk density of test chemical by the mass by volume method was determine to be1.007g/cm3 at room temperature of 23 °C.
Particle size distribution:
Since test chemical is a solid paste and thus the granulometric test is not possible.
Vapour pressure:
The estimated vapour pressure of test chemical at 25 deg C was 1.919E-18 Pa.
Partition coefficient:
KOWWIN V1.68 was used to estimate the octanol water partition coefficient of the test substance.
The estimated logPOW of the test substance was 3.9376 dimensionless.Based on the estimated value, the test substance can be considered hydrophillic in nature.
Water solubility:
The experimental value of the water solubility of test chemical was determine to be 300 mg/L at temperature of 23 deg C indicating that test chemical is moderately soluble in water.
Solubility in organic solvents / fat solubility:
The experimental value of solubility of test chemical in Methanol at temperature of 23 deg C was found to be 200 mg/L indicating that test chemical is moderately soluble in Methanol. In Petroleum Ether at temperature of 23 deg C the solubility was obtained to be 1800 mg/L indicating that test chemical is soluble.
Surface tension:
Surface tension of Sorbitan monostearate,ethoxylated was estimated to be in the range 46.7 mN/m.
Flash point:
Flash point of chemical Sorbitan monostearate, ethoxylated is determine to be greater than 100 Deg C.
Auto flammability:
Test chemical did not catch fire on being exposed to air at room temperature of 23 deg C and atmospheric pressure of 995 hPa. This indicates that test chemical is not auto-flammable.
Flammability:
From the experimental values of flammability, test chemical ignited when the flame of Bunsen burner having temperature of 950 deg C was brought in contact with it. Thus it can be concluded that test chemical is flammable only at high temperature of about 950 deg C. However since such high temperatures are not found under normal circumstances of transportation and use, test chemical was considered non-flammable.
Explosiveness:
According to theoretical considerations based on chemical structure, test chemical does not possess explosive properties. The reason for this is there are no chemical groups associated with explosive properties in methyl phenylacetate. Thus, as per column 2 of Annex VII this end point was considered for waiver.
Oxidizing properties:
Test chemical was observed to be mild oxidising since 83.7 ml of KMnO4 was required for getting the end point of the redox titration for 100 g of test chemical.Though the substance is indicated to be oxidising in nature based ont he tritration effect, but the same is not sufficient enough to classify the substance as oxidising solid.
Stability in organic solvents and identity of relevant degradation products:
Test chemical was obeserved to be not stable in organic solvent dichloro methane and degradation products were formed after 24 hours as evident from the comparitive GC-MS chromatogram obtained at 0 hours and that obtained after 24 hours.
pH:
1% by volume solution of test chemical was determine to exhibit a pH of5.91at23 deg C. Thus 1% by volume solution of test chemical is slightly acidic in nature.
Dissociation constant:
The experimental pKa value for test chemical was determine to be (average pKa) 0.000000000199 at 23 deg C indicating that the chemical has dissociating properties.
Viscosity:
In accordance with Section 2 of REACH Annex XI, information requirement section 7.17, this study cannot be conducted on solid materials or gases. According to ECHA Chapter 7 guidance, viscosity measurement is only relevant to liquids. Therefore this study was considered for waiver.
Additional information
Appearance:
Test substance is an organic solid wax. This substance do not have an characteristic odour and so can be infered to be odourless colourless solid.
Melting point:
The melting point of test chemical by the capillary method was determine to be 39.6 deg C at an atmospheric pressure of 995 hPa. There was no decomposition & sublimation observed of test chemical at the melting point.
From other authoritative databases melting point of test chemical determine in the range between 45-50 °C.
Boiling Point:
The boiling point of test chemical by the distillation method was determine to be 90.4 Deg C at the atmospheric pressure of 995 hPa
Density:
The bulk density of test chemical by the mass by volume method was determine to be1.007g/cm3 at room temperature of 23 °C.
From other authoritative database density of test chemical was determine to be 1.07 g/cm3 at 25 deg.C
Particle size distribution:
Since test chemical is a solid paste and thus the granulometric test is not possible.
Vapour pressure:
Modified Grain method was used to estimate the vapour pressure of test chemical using MPBPVP v1.43 of EPI SUITE.
The estimated vapour pressure of test chemical at 25 deg C was 1.919E-18 Pa.
Partition coefficient:
KOWWIN V1.68 was used to estimate the octanol water partition coefficient of the test substance.
The estimated logPOW of the test substance was 3.9376 dimensionless.Based on the estimated value, the test substance can be considered hydrophillic in nature.
Water solubility:
The experimental value of the water solubility of test chemical was determine to be 300 mg/L at temperature of 23 deg C indicating that test chemical is moderately soluble in water.
Solubility in organic solvents / fat solubility:
The experimental value of solubility of test chemical in Methanol at temperature of 23 deg C was found to be 200 mg/L indicating that test chemical is moderately soluble in Methanol. In Petroleum Ether at temperature of 23 deg C the solubility was obtained to be 1800 mg/L indicating that test chemical is soluble.
Surface tension:
Surface tension of Sorbitan monostearate,ethoxylated was estimated to be in the range 46.7 mN/m.
Flash point:
Flash point of chemical Sorbitan monostearate, ethoxylated is determine to be greater than 100 Deg C.
Auto flammability:
Test chemical did not catch fire on being exposed to air at room temperature of 23 deg C and atmospheric pressure of 995 hPa. This indicates that test chemical is not auto-flammable.
Flammability:
From the experimental values of flammability, test chemical ignited when the flame of Bunsen burner having temperature of 950 deg C was brought in contact with it. Thus it can be concluded that test chemical is flammable only at high temperature of about 950 deg C. However since such high temperatures are not found under normal circumstances of transportation and use, test chemical was considered non-flammable.
Explosiveness:
According to theoretical considerations based on chemical structure, test chemical does not possess explosive properties. The reason for this is there are no chemical groups associated with explosive properties in methyl phenylacetate. Thus, as per column 2 of Annex VII this end point was considered for waiver.
Oxidizing properties:
Test chemical was observed to be mild oxidising since 83.7 ml of KMnO4 was required for getting the end point of the redox titration for 100 g of test chemical.Though the substance is indicated to be oxidising in nature based ont he tritration effect, but the same is not sufficient enough to classify the substance as oxidising solid.
Stability in organic solvents and identity of relevant degradation products:
Test chemical was obeserved to be not stable in organic solvent dichloro methane and degradation products were formed after 24 hours as evident from the comparitive GC-MS chromatogram obtained at 0 hours and that obtained after 24 hours.
Sr. No. |
R.T. |
Compound |
1. |
11.80 |
Myristic Acid Ester |
2. |
12.98 |
Stearic Acid Ester |
3. |
13.32 |
Ethyl iso-allocholate |
pH:
1% by volume solution of test chemical was determine to exhibit a pH of5.91at23 deg C. Thus 1% by volume solution of test chemical is slightly acidic in nature.
Dissociation constant:
The experimental pKa value for test chemical was determine to be (average pKa) 0.000000000199 at 23 deg C indicating that the chemical has dissociating properties.
Viscosity:
In accordance with Section 2 of REACH Annex XI, information requirement section 7.17, this study cannot be conducted on solid materials or gases. According to ECHA Chapter 7 guidance, viscosity measurement is only relevant to liquids. Therefore this study was considered for waiver.
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