Sodium 4-chlorophenoxyacetate 4-CPA sodium salt
CAS NO.: 13730-98-8
EINECS: 237-299-4
Formulation: 98%TC
Chemical Name: Sodium 4-chlorophenoxyacetate;
acetic acid, (p-chlorophenoxy)-, sodium salt
Chemical Formula: C8H7ClO3
Molecular Weight: 208.6
Melting point: 284-287℃
Physical and Chemical Properties
White crystal. No special smell, melting point 157-158(acid), vapor pressure 0.247 pa at 25℃. Stable in room temperature.
Function and characteristics
1. 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
Application
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.
The Usage and Dosage Used on Different Crops | |||
Crops | Dosage (mg/L) | Method of use | Effects |
Wheat | 100 | Foliage spray in heading stage | Improve percentage of ear bearing tiller, increase yield. |
Rice | 100 | Foliage spray in flowering stage | Improve percentage of ear bearing tiller, increase yield. |
Chinese cabbage | 10-20 | Foliage spray once 3-15 days before harvest | Better storage. |
Tomato， eggplant | 10-25 | Flower spraying and soaking in full-flower stage | Improve fruit bearing. |
Pepper | 10-25 | Flower spraying and soaking in full-flower stage | Prevent flower dropping,improve fruit bearing. |
Grape, orange, apple, litchi, longan | 10-25 | Spray whole plant in flower stage | Prevent fruit dropping and increase yield. |
jujube | 5-20 | Spray whole plant in full-flower stage | Prevent fruit dropping |