双缩脲是一种有机物，化学式为C2H5N3O2，是两个分子
脲（即尿素）经181.25℃左右加热，放出一个分子
氨（NH3）后得到的
产物。用作医药中间体、
生长激素、发泡剂、制漆。
S26In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36Wear suitable protective clothing.
R36/37/38Irritating to eyes, respiratory system and skin.