双硫脲，英文名称为2，5-Dithiobiurea，别名为二硫代脲，CAS号为142-46-1，分子式为C2H6N4S2，带有刺激性，用作医药中间体。1，2-Hydrazine-o-dicarbothioamide; 1，2-Hydrazine carbothioamide; 1，2-Hydrazinedicarbothioamide; 2，5-dithiourea; Dithiobiurea; Dithiocarbamoyl hydrazine; bisthiocarbamyl hydrazine; bis(thiourea); ; hydrazine-1，2-dicarbothioamide