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Physical & Chemical properties

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Description of key information

Appearance:

On the basis of physical observation and using the sense of smell, Ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 - (ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was observed to be a dark red solid powder.

Melting point:

The melting point determination of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6- (ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237-63-7 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition point was determine to be 221.8°C at 968.7 hPa.

Boiling Point:

The study does not need to be conducted because the substance is a solid which decomposes before boiling. The melting point determination of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (CASNo. 12237-63-7 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition point was determine to be 221.8°C at 968.7 hPa.

Density:

The density of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was determine to be 0.3584 g/cm³ at 20 °C and 966.2 hPa.

Particle size distribution:

The particle size distribution of test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 10 micron.

Vapour pressure:

The estimated vapour pressure of Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7- dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (CAS No. 12237-63-7 ) at 25 deg C was 1.15E-10 Pa.

Partition coefficient:

The partition Coefficient n-octanol/water of test chmeical was determined by the Reverse Phase High Performance Liquid Chromatographic method according to OECD Guideline No. 117 for testing of Chemicals. The reference substances were chosen according to estimated Pow range of the test substance and generalized calibration graph was prepared.

The reference substances were , 2,6-Diphenylpyridine, 2-Nitrophenol, Nitrobenzene, Diphenylamine, n-Butylbenzene, Naphthalene, Triphenylamine were chosen having log Pow range from 0.5 to 5.7 The Log Pow value was determined to be 3.525 ± 0.006dimensionless at 25°C.

Water solubility:

The water solubility determination of test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl3H-xanthen-9-yl]benzoatecopper(2+) salts; CAS No.12237-63-7 was done by spectrophotometric method. The water solubility was found to be 2.3965 mg/L at 25°C.

Solubility in organic solvents / fat solubility:

The experimental value of solubility of ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts(Pigment red 169) in methanol at 23°C was determine to be 700 mg/L, petroleum ether at 23°C was determine to be 400 mg/L indicating that this substance is moderately soluble in methanol and petroleum ether.

Surface tension:

In accordance with Column 2 adaptation statement of REACH Annex VII, information requirement 7.6, This end point was considered for waiver since surface activity is not a desired property of ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (Pigment Red 169) .

Flash point:

The flash point determination of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus. The mean flash point of the test item was determine to be 188.6°C at 967.3 hPa.

Auto flammability:

Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) did not catch fire on beingexposed to air at room temperature of 23°C and atmospheric pressure of 975 hPa. This indicates that Pigment red 169 is not auto-flammable.

Flammability:

From the experimental values of flammability, Ferrate(4-), hexakis(cyano-C)-, Et2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) ignited when the flame of bunsen burner having temperature of 950°C was brought in contact with it. .Thus it can be concluded that Pigment red 169 is flammable only at high temperature of about 950°C.

However since such high temperatures are not found under normal circumstances of transportation and use, ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) was considered non-flammable.

Explosiveness:

According to theoretical considerations based on chemical structure, ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) does not possess explosive properties. The reason for this is there are no chemical groups associated with explosive properties in Pigment red 169. Thus, as per column 2 of Annex VII this end point was considered for waiver..

Oxidizing properties:

Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (Pigment red 169) was found to have oxidising property since 9355.2 mg of KMnO4 was required for getting the end point of the redox titration for 100 g of ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts.

Stability in organic solvents and identity of relevant degradation products:

Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) was determine to be stable in organic solvent dichloro methane and no degradation products were formed after 24 hours as evident from the GC-MS chromatogram obtained at 0 hours and that obtained after 24 hours.

pH:

The pH determination of test item Ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was done as per the test guideline OECD 122. The mean pH of the test dispersionwas determined with the help of digital pH meter.

The mean pH was determmine to be 7.17 at 25.4 °C.

Dissociation constant:

The average pKa value for ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts(Pigment red 169) was determine to be 0.00000000000001093667 at 23 deg C indicating that it has some dissociation properties.

Viscosity:

This end point was considered for waiver since viscosity is an inherent propoerty of liquid and ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (Pigment Red 169) is a solid chemical.

Additional information

Appearance:

On the basis of physical observation and using the sense of smell, Ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 - (ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was observed to be a dark red solid powder.

From other reliable sources, ferrate(4-), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl -3H-xanthen-9 -yl]benzoate copper(2 +) salts (Pigment red 169) is observed to be a pink organometallic solid with no peculiar odour at 23°C and 975 hPa.

Melting point:

The melting point determination of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6- (ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237-63-7 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition point was determine to be 221.8°C at 968.7 hPa.

Boiling Point:

The study does not need to be conducted because the substance is a solid which decomposes before boiling. The melting point determination of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (CASNo. 12237-63-7 ) was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The Mean decomposition point was determine to be 221.8°C at 968.7 hPa.

Density:

The density of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was determine to be 0.3584 g/cm³ at 20 °C and 966.2 hPa.

From other experimental study bulk density of ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (Pigment red 169) by the mass by volume method was determine to be 0.434g/cm³ at room temperature of 23°C.

Particle size distribution:

The particle size distribution of test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 10 micron.

Vapour pressure:

Modified Grain method was used to estimate the vapour pressure of Ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 - dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7) using MPBPVP v1.43 of EPI SUITE.

The estimated vapour pressure of Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2+) salts (CAS No. 12237-63-7) at 25 deg C was 1.15E-10 Pa.

Partition coefficient:

The partition Coefficient n-octanol/water of test chmeical was determined by the Reverse Phase High Performance Liquid Chromatographic method according to OECD Guideline No. 117 for testing of Chemicals. The reference substances were chosen according to estimated Pow range of the test substance and generalized calibration graph was prepared.

The reference substances were , 2,6-Diphenylpyridine, 2-Nitrophenol, Nitrobenzene, Diphenylamine, n-Butylbenzene, Naphthalene, Triphenylamine were chosen having log Pow range from 0.5 to 5.7 The Log Pow value was determined to be 3.525 ± 0.006dimensionless at 25°C.

Water solubility:

The water solubility determination of test item Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl3H-xanthen-9-yl]benzoate copper(2+) salts (CAS No. 12237-63-7) was done as per the OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of (Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)- 3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts of CAS No: 12237-63-7 )in water was found to be 2.3965 mg/L at 25°C.

The substance is slightly soluble in water

Solubility in organic solvents / fat solubility:

The experimental value of solubility of ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts(Pigment red 169) in methanol at 23°C was determine to be 700 mg/L, petroleum ether at 23°C was determine to be 400 mg/L indicating that this substance is moderately soluble in methanol and petroleum ether.

.

Surface tension:

In accordance with Column 2 adaptation statement of REACH Annex VII, information requirement 7.6, This end point was considered for waiver since surface activity is not a desired property of ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (Pigment Red 169) .

Flash point:

The flash point determination of Test item Ferrate(4-), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 )was done. The method was closed cup method using Pensky-Martens Flash Point Apparatus. The mean flash point of the test item was determine to be 188.6°C at 967.3 hPa.

From other reliable sources flash point of ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts(Pigment red 169) was expected to be above 200°C

Auto flammability:

Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) did not catch fire on beingexposed to air at room temperature of 23°C and atmospheric pressure of 975 hPa. This indicates that Pigment red 169 is not auto-flammable.

Flammability:

From the experimental values of flammability, Ferrate(4-), hexakis(cyano-C)-, Et2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) ignited when the flame of bunsen burner having temperature of 950°C was brought in contact with it. .Thus it can be concluded that Pigment red 169 is flammable only at high temperature of about 950°C.

However since such high temperatures are not found under normal circumstances of transportation and use, ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) was considered non-flammable.

Explosiveness:

According to theoretical considerations based on chemical structure, ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) does not possess explosive properties. The reason for this is there are no chemical groups associated with explosive properties in Pigment red 169. Thus, as per column 2 of Annex VII this end point was considered for waiver..

Oxidizing properties:

Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (Pigment red 169) was found to have oxidising property since 9355.2 mg of KMnO4 was required for getting the end point of the redox titration for 100 g of ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts.

Stability in organic solvents and identity of relevant degradation products:

Ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts(Pigment red 169) was determine to be stable in organic solvent dichloro methane and no degradation products were formed after 24 hours as evident from the GC-MS chromatogram obtained at 0 hours and that obtained after 24 hours.

pH:

The pH determination of test item Ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (CAS No. 12237 -63 -7 ) was done as per the test guideline OECD 122. The mean pH of the test dispersionwas determined with the help of digital pH meter.

The mean pH was determmine to be 7.17 at 25.4 °C.

From other study, 1% by volume solution of ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts (Pigment red 169) was determine to exhibit a pH of 7.80 at 21 degC.

Dissociation constant:

The average pKa value for ferrate(4 -), hexakis(cyano-C)-, Et 2 -[6 -(ethylamino)-3 -(ethylimino)-2,7 -dimethyl-3H-xanthen-9 -yl]benzoate copper(2 +) salts(Pigment red 169) was determine to be 0.00000000000001093667 at 23 deg C indicating that it has some dissociation properties.

Viscosity:

This end point was considered for waiver since viscosity is an inherent propoerty of liquid and ferrate(4-), hexakis(cyano-C)-, Et 2-[6-(ethylamino)-3-(ethylimino)-2,7-dimethyl-3H-xanthen-9-yl]benzoate copper(2+) salts (Pigment Red 169) is a solid chemical.