Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 281-876-3 | CAS number: 84051-87-6
Endpoint summary
Administrative data
Description of key information
Appearance:
Based on available data from obtained report, the appearance of 2 -[[4 -[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6 -methoxy-3 -methylbenzothiazolium acetate was observed to be blue color liquid organic compound.
Melting point:
The Freezing point determination of 2 -[[4 -[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6 -methoxy-3 -methylbenzothiazolium acetate(CAS No. 84051-87-6) was done using crushed ice and salt. The determination was done on the basis of cooling curve (time vs temperature) obtained when the test item was placed in the cooling bath. The freezing point was determine to be less than -10.4°C at 977.5 hPa.
Boiling Point:
The boiling point determination of Test item 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6- methoxy-3 -methylbenzothiazolium acetate (CAS No. 84051 -87 -6 ) was done as per the test guideline OECD 103. The method followed was according to Siwoloboff. The mean boiling point was determine to be 108.3°C at 977.4 hPa.
Density:
The density of Test item 2-[[4-[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate (CAS No. 84051-87-6 ) was determined following OECD guideline 109 and according to the Indian standard method for determination of density of liquids [IS 4730:1994 (Reaffirmed 2010)] . The mean density of the test item was determine to be 1.2335 g/cm³ at 20 °C and 978.0 hPa.
.
Particle size distribution:
In accordance with column 2 of Annex VII of the REAcH regulation this end point was considered for waiver since the given chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate 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 substance 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate at 25 deg C was 9.54E-13 Pa ( 7.15E-15 mm Hg).
Partition coefficient:
The partition Coefficient n-octanol/water of test chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate (CAS No. 84051-87-6) was determined by the Reverse Phase High Performance Liquid Chromatographic method according to OECD Guideline No. 117 for testing of Chemicals. A test item solution was prepared by accurately pipetting 4 microlitre of test item and diluted with Acetonitrile up to 10 ml. Thus, the test solution concentration was 492 mg/l(calculated according to density). The pH of test substance was 5.7. The reference substances were chosen according to functional similarity with the test substance and calibration graph was prepared. The reference substances were 4-Acetylpyridine, Benzene, Biphenyl, Cinnamyl alcohol, 4-Methylbenzyl alcohol, Benzyl alcohol, Toluene, Ethylbenzene, Naphthalene, Allyl phenyl ether, n-Butylbenzene, having Pow value ranging from 0.5 to 4.6. The Log Pow value of the test chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate was determined to be 1.297 ± 0.007 dimensionless at 25°C. On the basis of this value, test chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate can be considered to be hydrophilic in nature.
Water solubility:
The water solubility for the test item 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate was found to be 255700 mg/L at 25°C.
Based on experimental value the given chemical is considered to be very soluble in water.
Surface tension:
Based on the prediction done by ACD labs Software (v12.1.0.50375), the surface tension for chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate was predicted to be 46.7 mN/m.
Flash point:
The flash point determination of Test item 2 -[[4 -[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6 -methoxy-3 - methylbenzothiazolium acetate (CAS No. 84051 -87 -6 )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 125.6°C at 977.1 hPa.
Auto flammability:
2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate is not auto-flammable.
Flammability:
2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate 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-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate 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 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-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3- methylbenzothiazolium acetate (CAS No. 84051-87-6 ) was done as per the test guideline OECD 122. The mean pH of the test solutionwas determined with the help of digital pH meter. The mean pH was determine to be 2.56 at 26 °C.
Viscosity:
Kinematic viscosity (experimental) of 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate( CAS No. 84051-87-6)at 20°C and 40°C was 19.8792 mm²/sec and 17.4240 mm²/s, respectively.
Dynamic viscosity (calculated) of 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3- methylbenzothiazolium acetate( CAS No. 84051-87-6)at 20°C and 40°C was 24.5209 mPa.S and 21.4925 mPa.S, respectively.
Additional information
Appearance:
Based on available data from obtained report, the appearance of 2 -[[4 -[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6 -methoxy-3 -methylbenzothiazolium acetate was observed to be blue color liquid organic compound.
Melting point:
The Freezing point determination of 2 -[[4 -[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6 -methoxy-3 -methylbenzothiazolium acetate(CAS No. 84051-87-6) was done using crushed ice and salt. The determination was done on the basis of cooling curve (time vs temperature) obtained when the test item was placed in the cooling bath. The freezing point was determine to be less than -10.4°C at 977.5 hPa.
Boiling Point:
The boiling point determination of Test item 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6- methoxy-3 -methylbenzothiazolium acetate (CAS No. 84051 -87 -6 ) was done as per the test guideline OECD 103. The method followed was according to Siwoloboff. The mean boiling point was determine to be 108.3°C at 977.4 hPa.
Density:
The density of Test item 2-[[4-[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate (CAS No. 84051-87-6 ) was determined following OECD guideline 109 and according to the Indian standard method for determination of density of liquids [IS 4730:1994 (Reaffirmed 2010)] . The mean density of the test item was determine to be 1.2335 g/cm³ at 20 °C and 978.0 hPa.
.
Particle size distribution:
In accordance with column 2 of Annex VII of the REAcH regulation this end point was considered for waiver since the given chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate 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 substance 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate using MPBPVP v1.43 of EPI SUITE.
The estimated vapour pressure of the substance 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate at 25 deg C was 9.54E-13 Pa ( 7.15E-15 mm Hg).
Partition coefficient:
The partition Coefficient n-octanol/water of test chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate (CAS No. 84051-87-6) was determined by the Reverse Phase High Performance Liquid Chromatographic method according to OECD Guideline No. 117 for testing of Chemicals. A test item solution was prepared by accurately pipetting 4 microlitre of test item and diluted with Acetonitrile up to 10 ml. Thus, the test solution concentration was 492 mg/l(calculated according to density). The pH of test substance was 5.7. The reference substances were chosen according to functional similarity with the test substance and calibration graph was prepared. The reference substances were 4-Acetylpyridine, Benzene, Biphenyl, Cinnamyl alcohol, 4-Methylbenzyl alcohol, Benzyl alcohol, Toluene, Ethylbenzene, Naphthalene, Allyl phenyl ether, n-Butylbenzene, having Pow value ranging from 0.5 to 4.6. The Log Pow value of the test chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate was determined to be 1.297 ± 0.007 dimensionless at 25°C. On the basis of this value, test chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate can be considered to be hydrophilic in nature.
Water solubility:
The water solubility determination of test item 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3- methylbenzothiazolium acetate (CAS No. 84051-87-6) was done as per the OECD guideline 105 byspectrophotometric analytical method as per OECD 101. The solubility of (2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3- methylbenzothiazolium acetate of CAS No.84051-87-6) in water was found to be 255700 mg/L at 25°C.
Based on experimental value the given chemical is considered to be very soluble in water.
Surface tension:
Based on the prediction done by ACD labs Software (v12.1.0.50375), the surface tension for chemical 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate was predicted to be 46.7 mN/m.
Flash point:
The flash point determination of Test item 2 -[[4 -[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6 -methoxy-3 - methylbenzothiazolium acetate (CAS No. 84051 -87 -6 )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 125.6°C at 977.1 hPa.
Auto flammability:
2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate did not catch fire on being exposed to air at room temperature of 27°C pressure of 966 hPa. This indicates that 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate is not auto-flammable.
Flammability:
2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate 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-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate is not flammable at high temperature. However since such high temperatures are not found under normal circumstances of transportation and use, thus 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methylbenzothiazolium acetate 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 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-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3- methylbenzothiazolium acetate (CAS No. 84051-87-6 ) was done as per the test guideline OECD 122. The mean pH of the test solutionwas determined with the help of digital pH meter. The mean pH was determine to be 2.56 at 26 °C.
Viscosity:
The viscosity determination of Test item 2 -[[4 -[ethyl(2 -hydroxyethyl)amino]phenyl]azo]-6 -methoxy-3 -methylbenzothiazolium acetate (CAS No. 84051 -87 -6 )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 was19.8792 mm²/sec and 17.4240 mm²/s, respectively. Dynamic viscosity (calculated) of Test item at 20°C and 40°C was 24.5209 mPa.S and 21.4925 mPa.S, respectively.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
