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