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EC number: 807-754-7
CAS number: 89929-57-7
estimated auto-ignition temperature was 280 °C.
the test substance within 5 minutes after introduction was observed with
each sample volume and with each test a minimum auto-ignition
temperature was obtained.
4.12/1: Main study – auto-ignition temperature of the test substance
Auto-ignition temperature [°C]
Ignition delay [s]
Colour of the flame
deviation between the three values was < 10°C. According to the
guidelines, no further testing was required.
lowest temperature at which ignition of the test substance occurred was
242 °C. This temperature was rounded down to the nearest multiple of 5
°C giving an auto-ignition temperature of the test substance of 240 °C.
The auto-ignition temperature of the test
substance was measured, under GLP, according to DIN 51794/IEC 79-4
standards (listed in EU A15 guideline).
Three test series were performed, where
different volumes of test substance were injected into a heated flask,
until the lowest temperature at which ignition occurs was determined.
The relevant parameters were recorded for the final result.
The lowest of the three value was retained,
and rounded down to the nearest 5°C, resulting in an auto-ignition temperature
No particular hazard is anticipated in normal conditions of storage.
A fully reliable experimental study, conducted according to a recognized
DIN/IEC/EU method and under GLP, is available. It is considered as a key
study, and the result is retained as key data.
This parameter is not relevant for classification, however the
information is useful regarding process safety and potential additional
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