High Purity 4-CPA 98% for Chemical Manufacturing and Research

Auxin Plant Hormone 4cpa 4-cpa 98% TC

4-Chlorophenoxyacetic acid (4-CPA) is used as a plant growth regulator. It is absorbed by plants via roots, stems, leaves, blooms, and fruit. It is widely used on tomatoes to prevent the abscission of blooms and fruit.

Toxicity Data:

• Acute oral LD50 for rats: 2200mg/kg
• Acute dermal LD50 for rats: >2200mg/kg
• Irritation: Potential irritation to skin and eyes.
• Fish Toxicity: LC50 for carp 3-6ppm, water flea >40ppm.

Primary Uses:

1. Prevent abscission of bloom and fruit, inhibit rooting of beans, and promote fruit set.
2. Induce formation of seedless fruit.
3. Used for ripening and fruit thinning.
4. Performs better when used in combination with 0.1% monopotassium phosphate.

Target Crops & Dosage:

• Tomato: Soak flowers in 10-20ppm when 2-3 flowers blossom. Repeat 3 times every 7-10 days.
• Melon Group (Pumpkin/Cucumber): Soak or spray flowers in 20-25ppm.
• Pepper: 10-15ppm dosage.
• Fruit Trees (Apple/Longan): 25-30 ppm during inflorescence.

• Fast Response: Enquiries replied within 24 hours.
• Quality Guaranteed: Strict quality control systems.
• Export Experience: Over 10 years of agrochemical exporting expertise.
• Tracking: Complete cargo tracking until delivery.