- Contact Person : Mr. Hao Dangxiao
- Company Name : Chengdu Newsun Crop Science Co., Ltd.
- Tel : 86-28-85541738
- Fax : 86-28-85543718
- Address : Sichuan,Chengdu,Room 801 Huada Mansion, No. 266 Wuhouci Street
- Country/Region : China
- Zip : 610041
4-CPA Prevent abscission Inhibit rooting of bean
4-Chlorophenoxyacetic acid
(4-CPA)
common name: 4-Chlorophenoxyacetic acid Other names: 4-CPA,p-Chlorophenoxyacetic acid
Molecular Formula: C8H7ClO3
Appearance: White powder Melting piont: 155-159degree Specifications: 98% tech. grade
Residue on ignition: below 0.1%
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.
4-CPA Prevent abscission Inhibit rooting of bean