Chlorates are a group of toxic substances with significant ecological risk.Last century, sodium chlorate was used to be as non-selective contact herbicides and defoliant in agricultural history.

• 氯酸盐是一类毒性强氧化剂，上个世纪曾被作为非选择性除草剂和脱叶剂在农业生产中大量施用，近年来，氯酸钾作为龙眼产期调控剂也在反季节龙眼生产中大量应用。