| abstract |
Reaction formation of a first amine compound (A1) having a weight average molecular weight of less than 4000, a first diol compound (B1) having a viscosity (25 ° C.) of 100 mPa · s or less, and a polyisocyanate compound (C). Containing a prepolymer which is a product, and a first polythiol compound (D1), The first amine compound (A1) is at least one selected from polyether amines and aromatic amines. A polymerizable composition for an optical material, wherein the first polythiol compound (D1) contains a dithiol compound (d1) having two mercapto groups and a polythiol compound (d2) having three or more mercapto groups. |