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Water Soluble Plant Growth Regulator 4-CPA sodium salt; 4-Chlorophenoxyacetic Acid sodium salt; 4-CPA Na

CAS NO.:13730-98-8

Chemical Name: Sodium 4-chlorophenoxyacetate;
acetic acid, (p-chlorophenoxy)-, sodium salt;

Physical and Chemical Properties

Appearance:White crystal

Molecular Formula: C8H6ClNaO3

Molecular Weight: 208.5742

Smell: odorless
Solubility: 4-CPA-NA is soluble in water.

Toxicity data

Low toxicity
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

water soluble 4-cpa-NA used as plant growth regulator, absorbed by plant via root, stem, leaf, bloom and fruit. 
1. Single use: 10-30 mg/L, spray flower or deal with fruit, promote fruit setting.
2. Compounded with other regulators
3. 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.

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Specification: 4-CPA Na 98%TC

Package: 1kg/bag, 25kg/drum