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Flash point

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The flash point is a key measure of the flammability of a liquid. It measures the lowest temperature at which the vapour/air mixture above the liquid can be ignited. This gives some indication of how easy it is to initiate the burning of this substance. Generally, substances with low flash points are considered to present a higher flammable risk than those with higher flash points. (Guidance on information requirements and chemical safety assessment - Chapter R.7a: Endpoint specific guidance)
According to column 2 of Annex VII (standard information requirements for substances manufactured or imported in quantities of 1 tonne or more) of Regulation (EC) No 1907/2006 the study does not need to be conducted if the substance is inorganic.
Sulphuric acid, compound with graphite is an inorganic solid, consisting of natural graphite and variable amounts of intercalated sulphuric acid. All constituents of sulphuric acid, compound with graphite are inorganic substances. Therefore, performance of a study to determine the flash point is not required under Regulation (EC) No 1907/2006 (REACH).

Key value for chemical safety assessment

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