Registration Dossier
Registration Dossier
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EC number: 220-813-6 | CAS number: 2905-62-6
Flash point
Administrative data
Link to relevant study record(s)
Description of key information
No flash-point was observed below the visual boiling temperature of the test material.
Key value for chemical safety assessment
Additional information
As a low melting point solid, the flash point of the test material was investigated using the closed cup method in a study which was performed under the GLP conditions and in accordance with the standardised guidelines EU Method A.9., ISO Guide 2719, ISO Guide 3679, ASTM D93, ASTM D7094 and UN p. 32.4.1. The study has been assigned a reliability score of 1 in line with the principles for assessing data quality as defined by Klimisch et al. (1997).
The flash-point of the test material was determined using an Eraflash flash-point tester. The test material was melted and the test cup was filled with approximately 2 mL test material and placed in the flash-point tester. The test cup was heated with a temperature rise of approximately 5 °C/minute. The sample was stirred during heating. The ignition of the sample vapour was performed by an electric arc and ignition was automatically detected by the flash point tester. Starting at 30 °C, an attempt was made to ignite the vapour of the test material for every 2 °C temperature rise.
As no flash-point was observed below the visual boiling temperature of the test material (i.e. 220 °C), the preliminary test was repeated.
It was visually observed that the test material has a boiling temperature of approximately 220 °C. No flammable vapour/air mixture was produced at temperatures below the boiling temperature of the test material. From this, it was concluded that the test material has no flash point.
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