| abstract |
According to a preferred embodiment of the present invention, a composition for an optical material comprising the compound represented by the formula (1) and the compound represented by the formula (2) can be provided. According to the composition for an optical material, the compound represented by the formula (2) can be stored in a stable and inexpensive manner, and can be stably stored even when the temperature is changed, and an optical material having better light resistance can be obtained.n□n(where m represents an integer from 0 to 4, and n represents an integer from 0 to 2)n□n(where m represents an integer from 0 to 4, and n represents an integer from 0 to 2). |