A thermosensitive recording material is provided having improved
resistance to heat and chemicals, and having improved sensitivity to
image formation while minimizing background coloring, wherein the
thermosensitive recording material has a substrate, on which is a
thermosensitive recording layer containing a leuco dye, a developer of
formula (I) and at least two sensitizers, the two sensitizers being
4-hydroxy-4'-allyloxy diphenylsulfone and 4,4'-diallyloxy
diphenylsulfone.