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Physical & Chemical properties

Auto flammability

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Description of key information

In conclusion, 1-ETHYL-3-METHYL IMIDAZOLIUM ETHYLSULFATE is autoignitable with an auto-ignition temperature of 425 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
425 °C

Additional information

The determination of the auto-ignition temperature of the test substance was performed in accordance with EEC-Directive 92/69 EEC, A.15 "Auto-Ignition temperature (liquids and gases), 1992", DIN 51794 "Bestimmung der Zündtemperatur" (1978) and IEC standard 79-4: Method of test for ignition temperature (1975). Three tests were performed. In each test, different volumes of test substance were injected successive times into a test vessel. The temperature in the test vessel was lowered gradually from a sufficient high temperature until a temperature at which it was obvious that no more ignition occurred. The lowest measured auto-ignition temperature was 428 °C at an injection volume of 250 pL. In accordance with DIN 51794, this temperature was rounded down to the nearest 5 °C giving the auto-ignition temperature for the test substance: 425°C. In conclusion, 1-ETHYL-3-METHYL IMIDAZOLIUM ETHYLSULFATE is autoignitable with an auto-ignition temperature of 425 °C.