Also known as Baicao. The pure product is white crystal. The melting point is 114 ~ 116 ° C. The vapor pressure is 4.5mPa (25 ºC).
The solubility in water at 25 ºC is 6.5g / L, and it is easily soluble in ethanol and formic acid. Rat acute oral LD502900mg / kg.
In the preparation, there are water solution of dimethylamine salt, granule of acid or amine salt. And by post-emergence
herbicide.
It produces 2,5-dichlorophenol from 1,2,4-trichlorobenzoic acid, and then reacts with carbonic acid to produce 3,6-dichloro-2-hydroxybenzoic acid, which is then methylated with dimethyl sulfate. It is used to control the broad-leaved weedsand woody shrubs of grasses. The dosage is 80 ~ 130g / ha.
_ueditor_page_break_tag_
_ueditor_page_break_tag_
_ueditor_page_break_tag_
China
