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Introduction of Prohexadione-calcium

prohexadione calcium, the chemical name is calcium 3,5-dioxo-4-propionylcyclohexanecarboxylate. Is a key plant growth regulator. In its pure form, it appears as a white, amorphous solid. Has a characteristic pale yellow or beige appearance. It exhibits stability in light and air. However, it is easy to decompose in acidic environment and maintains stability under alkaline conditions. Its thermal stability is commendable. Its applications range from rice lodging resistance in Japan to vegetative growth control in European and American lawns and orchards.

Molecular formula: 2(C10H11O5)•Ca
CAS no of prohexadione-calcium:127277-53-6
Prohexadione calcium solubility: Solubility in water 174mg/L, methanol 1.1mg/L, acetone 0.038mg/L

Properties and effects

Stem strengthening and resistance to lodging

prohexadione calcium can inhibit excessive plant elongation. Promote strong root system and make stems thicker. And shorten the distance between nodes, thereby enhancing lodging resistance.


Enhance photosynthesis

It increases chlorophyll levels and increases photosynthetic efficiency, which is essential for healthy plant development.

Promote flower bud differentiation and fruit development

It stimulates flower bud differentiation and increases fruit setting rate. Promote fruit enlargement. Improves sweetness, color and early marketability.

Root and tuber development and shelf life extension

It promotes tuber and root enlargement, improves dry matter content, storability, yield and quality. Also avoid premature aging.

Hormonal Regulation and Stress Resistance

Calcium cyclohexanecarboxylate regulates endogenous hormone levels. Enhance plant stress tolerance and disease resistance.


After prohexadione calcium is applied to foliar surfaces, it quickly penetrates into crop leaf cells. Leaves are the main site for gibberellin synthesis. This direct interaction with the target ensures its high activity. In addition, its half-life is short, not exceeding 24 hours in soil rich in microorganisms. Ultimately producing its final metabolites, carbon dioxide and water. Therefore, it is an environmentally friendly, low-toxic product with negligible residues.
Molecular formula: 2(C10H11O5)•Ca, CAS registration number: 127277-53-6.

Prohexadione-calcium products

In the field of plant growth regulation, calcium cyclohexanecarboxylate becomes a versatile ally. Reflecting efficacy, safety and sustainability. Its manifold benefits include enhanced structural integrity. Metabolic efficiency. Reproductive success and adaptability to environmental stress. Embracing this botanical wonder promises agricultural productivity, profitability and ecological harmony.