2.9.2.: Classification criteria A pyrophoric liquid shall be classified in a single category for this class using test N.3 in Part III, sub-section of the ►M4  UN RTDG ◄ , Manual of Tests and Criteria according to Table 2.9.1:

Table 2.9.1

Criteria for pyrophoric liquids




The liquid ignites within 5 min when added to an inert carrier and exposed to air, or it ignites or chars a filter paper on contact with air within 5 min.