Registration Dossier
Registration Dossier
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EC number: 237-185-4 | CAS number: 13680-35-8
Endpoint summary
Administrative data
Description of key information
Appearance/physical state/colour:
The substance is a white to brown, odourless crystalline solid at room temperature.
(Source: internal company data)
Melting point:
The test item has a melting point of 88.7°C under the conditions of this study.
(Source: GLP-report)
Boiling point:
The test item has a boiling point of > 375°C under the conditions of this study. The test item started to decompose at ca. 375°C.
(Source: GLP-report)
Density:
The density was found to be 1.058 g/cm3 at 20°C.
(Source: GLP-report)
Particle size distribution:
The particle size distribution of the test item was found to be 125 - 500 μm. Less than 10% are <= 63 μm.
(Source: GLP-report)
Vapor pressure:
The vapor pressure was determined to be
- at 20°C: 1.88 E-10 Pa
- at 25°C: 4.70 E-10 Pa
- at 50°C: 2.94 E-08 Pa
(Source: GLP-report)
Partition coefficient n-octanol/water:
The log Pow was determined to be 4.4 at a temperature of 20°C. A second study at different pH values (3, 7 and 9) at 25°C showed log Pow values of 3.99 at pH 3 and 4.29 at pH 7 and 9.
(Source. GLP-reports)
Water solubility:
The water solubility of the test item is 0.44 mg/l at 20°C.
(Source: GLP-report)
Solubility in organic solvents:
The test item is well soluble in the following solvents:
- Triethyleneglycol: soluble
- Toluene: completely soluble
- Xylene: completely soluble
- Aniline: completely soluble
- 1,4 -Butanediol: 300 g/l (85 °C)
(Source: Internal company data)
Surface tension of an aqueous solution:
The measured water solubility is below 1 mg/l at room temperature (0.44 mg/L), therefore the study does not need to be conducted.
(Source: GLP-report & expert assessment)
Flash point:
The study does not need to be conducted for solids. The melting point of the test item was found to be 88.7°C, therefore the flammability test was performed instead.
(Source: GLP-report & expert assessment)
Auto flammability:
The relative self-ignition temperature of the test item is > 120°C.
(Source: GLP-report)
Flammability:
The substance is not flammable. Based on the chemical structure, the test item does neither react with water nor evolve any flammable gases in contact with (humid) air.
(Source: GLP-report and expert assessment)
Self-heating properties
The test procedure for self-heating substances need not be applied because the substance is completely molten at 160 °C. The substance is not self-heating
(Source: GLP-report and expert assessment)
Explosiveness:
Based on chemical structure and information on handling and use the substance was considered non-explosive. Experimental determination was waived.
(Source: Expert assessment)
Oxidizing properties:
From the assessment of the chemical structure it was established that the test substance would not have oxidizing properties.
(Source: Expert assessment)
Stability in organic solvents:
The study does not need to be conducted, as the test item is stable and well soluble is most of the common organic solvents.
(Source: Expert assessment & company data)
Dissociation constant:
Substance has a very low water solubility of 0.44 mg, therefore test method not applicable
(Source: Expert assessment & GLP-report)
Viscosity:
The study does not need to be conducted as the substance is a solid at room temperature.
(Source: Expert assessment & company data)
Self-reactive substances:
The study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive or self-reactive properties and hence, the classification procedure does not need to be applied.
(Source: Expert assessment)
Corrosion to metals:
Based on our long-term experience handling this substance during production and use, we can confirm that the chemical is not corrosive to metals. Furthermore the substance is solid and will not become liquid (the melting point of the substance is higher than 55 °C and the water solubility is very low). The study does not need to be conducted because there is no established suitable test method for solid substances.
(Source: Expert assessment)
Additional information
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