| abstract |
A recording material having improved properties with respect to color developability and developed color image stability comprises (i) a fluoran derivative having an arylamino group at the 2-position thereof, an aryl group, an aralkyl group, an alkyl group, an alkoxy group, a halogen atom or a hydrogen atom at the 3-position thereof and an alkylamino group having an alkyl moiety of not less than 10 carbon atoms at the 6-position thereof, and (ii) an organic or inorganic acidic compound capable of effecting color-development upon contact with the fluoran derivative. |