▎ 摘　　要

NOVELTY - Anthracene derivative (I) is new. USE - The anthracene derivative is used for graphene dispersant (claimed). ADVANTAGE - The derivative has high efficiency, simple preparation process and mild reaction condition is easy to control and environment-friendly. DETAILED DESCRIPTION - Anthracene derivative of formula (I) is new. An INDEPENDENT CLAIM is included for preparation of the (I).