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EC number: 947-513-4 | CAS number: -
The study does not need to be conducted as the racemate, (mixture of D- and L-form) had been tested for flammability according to method A.10 and was found not being flammable (substance did melt but did not ignite when treated with a Bunsen-burner flame).
The racemic form of the substance (50:50 mixture of D-tetramethrin and L-tetramethrin) has a melting point of 72 - 74 °C and thus determination of the flash point is not required for the racemic form. However, when testing for flammability of solids has been performed (according to method A.10) it could be shown that the substance did melt, but did not ignite and thus was considered non-flammable (see supportive study in section Flammability). Consequently, it can be concluded, that the D-tetramethrin (50% of racemic form) also is non-flammable. Furthermore, this is supported by the very low vapour pressure of racemic tetramethrin, being well below 1 mPa.
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