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EC number: 279-256-2 | CAS number: 79771-28-1
Endpoint summary
Administrative data
Description of key information
Appearance:
On the basis of physical observation and using the sense of smell, Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) was observed to be a blue fine solid powder.
Melting point:
The melting point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean decomposition point was determine to be 320.25°C at 965.3 hPa.
Boiling Point:
The study does not need to be conducted because the substance is a solid which melts above 300°C.
The study does not need to be conducted because the substance is a solid which decomposes before boiling. The melting point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean decomposition point was determine to be 320.25°C at 965.3 hPa.
Density:
The density of test item Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28 -1) was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using bulk density apparatus. The mean pour density and tapped density of test item was determine to be 0.5887 g/cm³ and 0.7417 g/cm³at 20°C and 966.8 hPa.
Particle size distribution:
The particle size distribution of test item Pyridinium, 1,1'-[(6,13-dichloro-4,11-disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 - diyl]]]bis[3-carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28-1 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 53 micron.
Vapour pressure:
The study does not need to be conducted because the melting point is above 300°C. The melting point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean decomposition point was determine to be 320.25°C at 965.3 hPa.
Partition coefficient:
The Partition coefficient (Pow) of the chemical Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl) amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was determined to be -2.36 at 25°C. Thus, on the basis of this value, chemical Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt can be considered to be hydrophillic in nature.
Water solubility:
The water solubility determination of test item Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3-carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28-1) was done as per the OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of (Pyridinium, 1,1'-[(6,13-dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-,dihydroxide, bis(inner salt), hexasodium salt of CAS No: 79771 -28 -1 )in water was determine to be 257.316 gm/L at 25°C.
Thus the chemical is considered to be very soluble in water.
Surface tension:
In accordance with column 2 of Annex VII of the REACH regulation, the study need only be conducted if surface activity is a desired property of the chemical. Pyridinium, 1,1'-[(6,13-dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) is used as a dye. For this use, surface activity is not an important property. Hence this study was considered for waiver.
Flash point:
The flash point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5-triazine-4,2 - diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28-1)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and
mean flash point was determine to be 185.3°C at 963.8 hPa.
Auto flammability:
Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) is not auto-flammable.
Flammability:
Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) 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 Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) 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.
Oxidizing properties:
The study does not need to be conducted because the substance is a solid.
pH:
The pH determination of test item Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No 79771-28-1) 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 5.90 at 26 °C.
Additional information
Appearance:
On the basis of physical observation and using the sense of smell, Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) was observed to be a blue fine solid powder.
Melting point:
The melting point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean decomposition point was determine to be 320.25°C at 965.3 hPa.
Boiling Point:
The study does not need to be conducted because the substance is a solid which melts above 300°C.
The study does not need to be conducted because the substance is a solid which decomposes before boiling. The melting point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean decomposition point was determine to be 320.25°C at 965.3 hPa.
Density:
The density of test item Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28 -1) was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using bulk density apparatus. The mean pour density and tapped density of test item was determine to be 0.5887 g/cm³ and 0.7417 g/cm³at 20°C and 966.8 hPa.
Particle size distribution:
The particle size distribution of test item Pyridinium, 1,1'-[(6,13-dichloro-4,11-disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 - diyl]]]bis[3-carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28-1 ) was determined by granulometric analysis with rotap sieve shaker. The particle size distribution was determine to be in the range of 150 micron to 53 micron.
Vapour pressure:
The study does not need to be conducted because the melting point is above 300°C. The melting point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and Mean decomposition point was determine to be 320.25°C at 965.3 hPa.
Partition coefficient:
The Partition coefficient (Pow) of the chemical Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl) amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771 -28 -1) was determined to be -2.36 at 25°C. Thus, on the basis of this value, chemical Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt can be considered to be hydrophillic in nature.
Water solubility:
The water solubility determination of test item Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2-diyl]]]bis[3-carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28-1) was done as per the OECD guideline 105 by spectrophotometric analytical method as per OECD 101. The solubility of (Pyridinium, 1,1'-[(6,13-dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-,dihydroxide, bis(inner salt), hexasodium salt of CAS No: 79771 -28 -1 )in water was determine to be 257.316 gm/L at 25°C.
Thus the chemical is considered to be very soluble in water.
Surface tension:
In accordance with column 2 of Annex VII of the REACH regulation, the study need only be conducted if surface activity is a desired property of the chemical. Pyridinium, 1,1'-[(6,13-dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) is used as a dye. For this use, surface activity is not an important property. Hence this study was considered for waiver.
Flash point:
The flash point determination of Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5-triazine-4,2 - diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No. 79771-28-1)was done following closed cup method using Pensky-Martens flash point apparatus. The test was conducted in replicates and
mean flash point was determine to be 185.3°C at 963.8 hPa.
Auto flammability:
Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) did not catch fire on being exposed to air at room temperature of 27°Cpressure of 966 hPa. This indicates that Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) is not auto-flammable.
Flammability:
Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) 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 Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 -triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS no. 79771 -28 -1) 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.
Oxidizing properties:
The study does not need to be conducted because the substance is a solid.
pH:
The pH determination of test item Pyridinium, 1,1'-[(6,13 -dichloro-4,11 -disulfo-3,10 - triphenodioxazinediyl)bis[imino-2,1 -ethanediylimino[6 -[(2,5 -disulfophenyl)amino]-1,3,5 -triazine-4,2 -diyl]]]bis[3 -carboxy-, dihydroxide, bis(inner salt), hexasodium salt (CAS No 79771-28-1) 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 5.90 at 26 °C.
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