4-chlorophenoxyacetic acid(4-CPA) CAS. No.: 122-88-3
Updated: 2017-07-26 12:01:42 View:
4-chlorophenoxyacetic acid(4-CPA),CAS. No.: 122-88-3
Detail
CAS No.: 122-88-3
Other name: p-Chlorophenoxyacetic acid
Boiling point: 157-159 C
Color: white powder.
Molecular Formula: C8H7ClO3
Residue on ignition: <0.1%
Toxicity data: 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% mono potassium phosphate. It also has
herbicidal effect at high dosage.
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