| Product Name | Muriate of Potash (MOP), Potassium Chloride |
| CAS No. | 7447-40-7 |
| EINECS No. | 231-211-8 |
| Molecular Formula | KCl |
| Molecular Weight | 74.55 |
| Appearance | White, red, or colorless crystals, granules, or powder; odorless, salty taste. It is a metal halide salt with a vitreous crystal-like appearance, sometimes red due to iron salt content. |
| Main Grades/Types | Red Granular, White Standard, Powder Crystalline, Fine Standard (WFSS), Coarse, Industrial Grade (≥99%), Food/Pharma Grade (≥99.5%) |
| Key Physical & Chemical Properties | Density: 1.987 g/cm³; Melting point: 770-775℃; Boiling point: approx. 1500℃; Solubility: 342 g/L in water at 20℃; pH (1% solution): 6.0-8.0; slightly soluble in ethanol, insoluble in acetone and diethyl ether; moderately hygroscopic. |
| Typical Specifications | K₂O Content: 57%-62%; KCl Purity: ≥95% (Fertilizer Grade) / ≥99% (Industrial/Food Grade); Moisture: ≤0.3%-3% (depending on grade); Sodium Chloride: ≤1.0%-2.9%; Water Insolubles: ≤0.5%; Heavy Metals (as Pb): ≤10 ppm. |
| Product Features | Fast-acting potash fertilizer, high nutrient content, good water solubility, suitable for chlorine-loving crops, chemically stable, good compatibility with other fertilizers, high granule strength for bulk blending. |
| Main Applications | Agriculture: Straight application (base/top dressing) for rice, wheat, corn, cotton, soybean, rapeseed, sugar beet, sugarcane, potato, vegetables, fruit trees; raw material for NPK compound fertilizer; water-soluble fertilizer. Industrial: Manufacturing potassium salts, electroplating, oil drilling (drilling fluids, workover fluids), dyeing auxiliaries. Food/Pharma: Nutrient supplement (potassium fortifier), electrolyte supplement, low-sodium salt ingredient. Others: Water treatment, plant tissue culture, laboratory reagents. |
| Target Crops | Rice, wheat, corn, cotton, rapeseed, sugar beet, sugarcane, fruit trees, vegetables (use with caution on chlorine-sensitive crops). |
| Packaging | 25kg/50kg woven bags (PE liner), 500kg/1000kg jumbo bags; bulk; custom packaging available. |
| Storage Conditions | Store in cool, dry, well-ventilated area; protect from moisture and rain; keep sealed; separate from oxidizers, acids, alkalis, food, and feed. |
| Shipping Requirements | Non-hazardous cargo; protect from sun and rain; handle with care; food grade requires sanitary transport conditions. |
| Quality Standards | Fertilizer Grade: GB/T 37918-2019; Food Grade: GB 25585-2010; Pharma Grade: ChP, USP, BP, EP; Third-party testing (SGS, BV, Intertek) available. |
| Minimum Order Quantity | Standard 20-25 tons (1×20'FCL); trial order 5-10 tons (bags) negotiable. |
| Delivery Time | Standard 7-15 working days; custom packaging/specifications negotiable. |
| Payment Terms | T/T (30% deposit, 70% against B/L copy), L/C at sight; FOB/CFR/CIF supported. |
