A yellowish, white, or reddish-gray crystalline powder, NH2C6H4C6H4NH2, used in dyes and to detect blood stains.

• 对苯二氨基联苯一种淡黄色、白色或淡灰红色的晶体粉末，nh2c6h4c6h4nh2，用在染料和血迹检查中