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The autoignition temperature or self-ignition temperature, often called spontaneous ignition temperature or minimum ignition temperature (or shortly ignition temperature) and formerly also known as kindling point, of a substance is the lowest temperature at which it spontaneously ignites in a normal atmosphere without an external source of ignition, such as a flame or spark. [1]
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Due to weak bonds and hydrogen, silane is a pyrophoric gas (capable of autoignition at temperatures below 54 °C or 129 °F). [24] SiH 4 + 2 O 2 → SiO 2 + 2 H 2 O = = SiH 4 + O 2 → SiO 2 + 2 H 2 SiH 4 + O 2 → SiH 2 O + H 2 O 2 SiH 4 + O 2 → 2 SiH 2 O + 2 H 2
Triethylborane is strongly pyrophoric, with an autoignition temperature of −20 °C (−4 °F), [13] burning with an apple-green flame characteristic for boron compounds. Thus, it is typically handled and stored using air-free techniques .
Autoignition temperature. 279 °C (534 °F; 552 K) Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 ...
Auto-ignition means that the material will spontaneously combust (or burn) without an external source of ignition such as a spark or flame. If you heat the paper to 450°F and it does not ignite, then 450°F is not the auto-ignition temperature.
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