The solvent composition of the present invention comprises diphenylmethane derivative (a) represented in general formula (I) below, and polyether (b) represented by general formula (II) below, and has high safety, low odor-emission, excellent dissolving power for various organic materials, and high affinity for various substrates. ##STR00001## (In the formula, n represents 1 or 2, each of x and y independently represents 0, 1, 2, or 3, each of R.sub.1 and R.sub.2 independently represents a C.sub.1-10 alkyl group, and when a plurality of R.sub.1 or R.sub.2 exist, they may be different.) ##STR00002## (In the formula, m represents 1 to 10, p is 0, 1, 2, or 3, Prop represents a 1,2-propylene group, each of R.sub.3 and R.sub.4 independently represents a C.sub.1-10 alkyl group, and when m is 2 or more, methyl groups in 1,2-propylene groups represented by Prop may be randomly located.)