Product Name 4-CPA CAS NO. 122-88-3 HS Code 2916399014 Molecular  Formula C8H7ClO3 ClassificationPlant Growth Regulator Species 98% TC, 95% DP, 95%WTX, 2.5% AS, 10% WP Chemical Name2-(4-Chloro-phenoxy) acetic acid; 4-Chlorophenoxyacetic  acid   Physical and chemical propertiesAppearance: White powder Molecular Weight: 186.59   Melting Point: 156-159°C     Application1.Like plant growth regulator, 4-cpa is absorbed by plant via root, stem, leaf, bloom and fruit. 2.4-CPA is used to prevent abscission of bloom and fruit, inhibit rooting of beans,promote fruit set, induce formation of seedless fruit. 3.4-CPA is also used for ripening and fruit thinning. It performs better when used in combination with 0.1% monopotassium phosphate. It also has herbicidal effect at high dosage. Function & Effect1. Prevent falling of fruits and flower  2. Produce the seedless fruit 3. Increase the percentage of the fruit bearing(increase output) and promote the enlargement of fruit SolubilityIt is faint soluble in water, soluble in organic solvents, such as ethyl alcohol, diethyl and benzene. ToxicologyAcute 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. Package25kg/drum