Mepiquat Chloride Cotton Growth Regulator
CAS Number: 24307-26-4
Mepiquat chloride (1,1-dimethylpiperidinium chloride) is a piperidinium-type plant growth regulator used primarily in cotton production to control excessive vegetative growth, reduce plant height, increase compactness, and improve boll retention and fiber quality. It inhibits gibberellin biosynthesis, reducing internode elongation and channeling photosynthate into reproductive development. Mepiquat chloride is the active ingredient in Pix, the world's most widely used cotton growth regulator.
Technical Specifications
| appearance | White crystalline powder |
| moisture (%) | ≤1.0 |
| pH (5% solution) | 5.0–7.0 |
| melting point (°C) | 220–225 |
| active ingredient (%) | ≥97 |
| solubility in water (g/100mL) | >100 |
Applications
- Cotton plant height control and canopy management
- Cotton boll retention and yield improvement
- Cotton fiber quality enhancement (length, strength, micronaire)
- Mechanical harvest facilitation through uniform maturity
- Prevention of rank vegetative growth in high-fertility conditions
Key Features
- World's leading cotton growth regulator with 40+ years of field use
- Flexible application timing from early square to final irrigation
- Compatible with most cotton insecticide and defoliant tank mixes
- High water solubility enables simple SL formulation
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CAS Number
24307-26-4
Category
Agricultural / Crop ChemicalsAvailability
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