4-Chlorophenoxyacetic酸

Appearance: White powder Melting piont: 155-159degree Specifications: 98% tech. grade Toxicology: Acute oral LD50 for rats 2200mg/Kg; acute dermal LD50 >2200mg/Kg. Irritating to skin and eyes. LC50 for fish: carp 3-6ppm loach (48hr) 2. 5ppm, water flea>40ppm. Application: Auxin like plant growth regulator, absorbed by plant via root, stem, leaf, bloom and fruit. It is used to prevent abscission of bloom and fruit, inhibit rooting of beans, promote fruit set, induce formation of seedless fruit. Also used for ripening and fruit thinning. It performs better when used in combination with 0. 1% monopotassium phosphate. It also has berbicidal effect at high dosage.