Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate]

Endpoint summary

Description of key information

Appearance:

On the basis of physical observation test chemical Di aluminium tris[2-(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] (Common Name: D&C Red 27 Lake) was determined to be a red powder.

Melting point:

The melting point determination of Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was done following OECD Guideline 102 and according to the metal block capillary method. The test item started decomposing at 333°C and completes at 335°C with colour change from red to black. The decomposition range was observed to be 333°C-335°C at 971.8 hPa.

Boiling Point:

the study does not need to be conducted because the substance is a solid which melts above 300°C (The substance is a solid at room temperature and it is reported to decompose at a temperature of  333 °C - 335 °C without melting.Hence, it is not feasible to determine boiling point and the endpoint was considered for waiver.)

Density:

The mean density of test item Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] was determined following OECD Guideline 109 and according to the method ASTM D854-02 using glass pyknometer. The mean density of the test item was observed to be 2.136 g/cm3 at 20 °C and 971.6hPa.

Particle size distribution:

The particle size distribution of test item Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was observed to be in the range of 150 micron to 10 micron.

Vapour pressure:

the study does not need to be conducted because the melting point is above 300°C. In accordance with Column 2 adaptation statement of REACH Annex VII, information requirement section 7.5, this study does not need to be conducted if the melting point is >300 C. dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] decomposes between 334.5 °C -338 °C at 972.1 hPa without melting. Hence this endpoint was considered for waiver.

Partition coefficient

The partition Coefficient n-octanol/water of dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate](CAS No. 15876-58-1)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 with the test substance. The reference substances were Phenol, Benzene, Bromobenzene, 1,4 dichlorobenzene, 1,2,4 Trichlorobenzene and 2,6 Diphenylpyridine having Pow value ranging from 1.5 to 4.9.The Log Pow value was determineda to be 4.290 ± 0.020 at 25°C.

Water solubility:

Interpretation of results: slightly soluble (0.1-100 mg/L)

The water solubility for the test substance dialuminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] was determined to be 0.7781 mg/l at 25 Deg C.

Surface tension:

the study does not need to be conducted because surface activity is not a desired property of the material (In accordance with column 2 of Annex VII of the REACH regulation, this testing needs to be carried out only if surface activity is a desired property of the chemical. The chemical dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (Common name: D&C Red 27 Lake) is used mostly as a pharmaceutical color. For this use, surface activity is not a desired property and hence this end point was considered for waiver.)

Flash point:

The flash point determination of Dialuminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was done following closed cup method using Pensky-Martens flash point apparatus. The flash point was observed to be greater than 250 Deg C at 972.5 hPa.

Auto flammability:

Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate]  did not catch fire on being exposed to air at room temperature at 27°C and atmospheric pressure at 966 hPa. Also the self ignition temparature is estimated to be greater than 300 degree celcius. This indicates that Dialuminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] is not auto-flammable.

Flammability:

Di aluminium tris[2-(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] 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 Di aluminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus Di aluminium tris[2 -(2,4,5,7 -tetrabromo -6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] 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 (In accordance with column 2 of Annex VII of the REACH regulation, the study is scientifically unjustified since there are no chemical groups associated with explosive properties present in the molecule of the chemical dialuminium tris[2-(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl) -3,4,5,6 -tetrachlorobenzoate] (Common Name: D&C Red 27 Lake). Also, there are no known evidence that the chemical is explosive. Thus, this end point was considered for waiver and the chemical considered as Non-explosive for the purpose of chemical safety assessment.)

Oxidizing properties:

the study does not need to be conducted because the substance is a solid (The substance dialuminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] (Common Name: D&C Red 27 Lake) contains bromine, chlorine atoms as well as oxygen atoms and hence is expected to be oxidising. This testing was therefore not conducted. However, the oxidising potential is not expected to be strong enough to classify the chemical as an oxidising solid and hence the chemical is considered as "Not Oxidising" for the purpose of chemical safety assessment.)

pH :

The pH determination of test item Dialuminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was done following OECD guideline 122. pH of 1% w/v aqueous dispersion was measured with the help of pH meter and it was observed to be 4.45 at 30 °C.

Additional information

Appearance/physical state/colour

On the basis of physical observation test chemical Di aluminium tris[2-(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] (Common Name: D&C Red 27 Lake) was determined to be a red powder.

Melting point/freezing point

The melting point determination of Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was done following OECD Guideline 102 and according to the metal block capillary method. The test item started decomposing at 333°C and completes at 335°C with colour change from red to black. The decomposition range was observed to be 333°C-335°C at 971.8 hPa.

Boiling point

the study does not need to be conducted because the substance is a solid which melts above 300°C (The substance is a solid at room temperature and it is reported to decompose at a temperature of  333 °C - 335 °C without melting.Hence, it is not feasible to determine boiling point and the endpoint was considered for waiver.)

Density

The mean density of test item Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] was determined following OECD Guideline 109 and according to the method ASTM D854-02 using glass pyknometer. The mean density of the test item was observed to be 2.136 g/cm3 at 20 °C and 971.6hPa.

Particle size distribution (Granulometry)

The particle size distribution of test item Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was observed to be in the range of 150 micron to 10 micron.

Vapour pressure

the study does not need to be conducted because the melting point is above 300°C. In accordance with Column 2 adaptation statement of REACH Annex VII, information requirement section 7.5, this study does not need to be conducted if the melting point is >300 C. dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] decomposes between 334.5 °C -338 °C at 972.1 hPa without melting. Hence this endpoint was considered for waiver.

Partition coefficient

The partition Coefficient n-octanol/water of dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate](CAS No. 15876-58-1)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 with the test substance. The reference substances were Phenol, Benzene, Bromobenzene, 1,4 dichlorobenzene, 1,2,4 Trichlorobenzene and 2,6 Diphenylpyridine having Pow value ranging from 1.5 to 4.9.The Log Pow value was determineda to be 4.290 ± 0.020 at 25°C.

Water solubility

The water solubility determination of test substance dialuminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] was performed according to the OECD guideline 105 and by spectrophotometric method. The water solubility was determined to be 0.7781 mg/l at 25⁰C.

Hence the test substance dialuminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] was considered to be slightly soluble in water.

Surface tension

the study does not need to be conducted because surface activity is not a desired property of the material (In accordance with column 2 of Annex VII of the REACH regulation, this testing needs to be carried out only if surface activity is a desired property of the chemical. The chemical dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (Common name: D&C Red 27 Lake) is used mostly as a pharmaceutical color. For this use, surface activity is not a desired property and hence this end point was considered for waiver.)

Flash point

The flash point determination of Dialuminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was done following closed cup method using Pensky-Martens flash point apparatus. The flash point was observed to be greater than 250 Deg C at 972.5 hPa.

Auto flammability

Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate]  did not catch fire on being exposed to air at room temperature at 27°C and atmospheric pressure at 966 hPa. Also the self ignition temparature is estimated to be greater than 300 degree celcius. This indicates that Dialuminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] is not auto-flammable.

Flammability

Di aluminium tris[2-(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] 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 Di aluminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus Di aluminium tris[2 -(2,4,5,7 -tetrabromo -6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] 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 (In accordance with column 2 of Annex VII of the REACH regulation, the study is scientifically unjustified since there are no chemical groups associated with explosive properties present in the molecule of the chemical dialuminium tris[2-(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl) -3,4,5,6 -tetrachlorobenzoate] (Common Name: D&C Red 27 Lake). Also, there are no known evidence that the chemical is explosive. Thus, this end point was considered for waiver and the chemical considered as Non-explosive for the purpose of chemical safety assessment.)

Oxidising properties

the study does not need to be conducted because the substance is a solid (The substance dialuminium tris[2 -(2,4,5,7 -tetrabromo-6 -oxido-3 -oxoxanthen-9 -yl)-3,4,5,6 -tetrachlorobenzoate] (Common Name: D&C Red 27 Lake) contains bromine, chlorine atoms as well as oxygen atoms and hence is expected to be oxidising. This testing was therefore not conducted. However, the oxidising potential is not expected to be strong enough to classify the chemical as an oxidising solid and hence the chemical is considered as "Not Oxidising" for the purpose of chemical safety assessment.)

pH

The pH determination of test item Dialuminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)-3,4,5,6-tetrachlorobenzoate] (CAS No. 15876-58-1) was done following OECD guideline 122. pH of 1% w/v aqueous dispersion was measured with the help of pH meter and it was observed to be 4.45 at 30 °C.