Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: Potassium chloride
CAS Number: 7447-40-7
Alias: KCl, Sylvite
Molecular Formula: KCl
Molecular Weight: 74.55
IUPAC Name: Potassium chloride
Structural Information
- Structure Type: Ionic inorganic salt, alkali metal halide
- Structural Features: Cubic crystal lattice; K? and Cl? ions alternately arranged; ionic bond, high ionic conductivity when dissolved or molten
Physical & Chemical Properties
- Appearance: White crystalline powder or colorless cubic crystals
- Odor: Odorless, slightly salty taste
- Melting Point: 770 °C
- Boiling Point: 1420 °C
- Density (20℃): 1.984 g/cm3
- Solubility: Soluble in water; slightly soluble in glycerol; insoluble in ethanol, ether, acetone
- Stability: Stable under normal storage; non-volatile, non-hygroscopic; does not react with air; reacts with concentrated sulfuric acid to generate hydrogen chloride gas; compatible with most substances except silver salts
Synthesis & Applications
Production Method
- Mineral mining: Purification of natural sylvite ore
- Seawater/brine extraction: Crystallization separation from salt lake brine
- Chemical neutralization: KOH neutralized with HCl, recrystallization
Main Applications
- Agriculture: Potassium fertilizer raw material (major potash fertilizer)
- Food industry: Food-grade salt substitute, nutritional potassium fortifier
- Pharmaceutical API: Electrolyte replenisher for injection/oral rehydration salts
- Industrial raw material: Raw material for potassium hydroxide, potassium carbonate, metal potassium production
- Medical & lab: Ionic standard reagent, dialysis solution component, freezing mixture raw material
Safety & Storage Instructions
GHS Hazard Classification
Low-toxic substance, Warning signal word
- H315 Skin irritation from dust
- H319 Serious eye irritation
Personal Protection
Dust mask, chemical goggles, nitrile gloves; ventilated operation to avoid dust inhalation
Storage Condition
Hermetically sealed bag/drum, cool dry warehouse; keep away from strong oxidants
Transportation
General inorganic salt solid; waterproof packaging, prevent damp caking
Quality Specifications
- Industrial grade purity: ≥98.0%
- Food/pharma grade purity: ≥99.0%
- Loss on Drying: ≤0.5%
- Heavy Metal (Pb): ≤10 ppm (food grade)
Information Summary Table
| Item | Specification |
| CAS Number | 7447-40-7 |
| Product Name | Potassium chloride |
| Synonym | KCl, Sylvite |
| Molecular Formula | KCl |
| Molecular Weight | 74.55 |
| Appearance | White cubic crystal / crystalline powder |
| Melting Point | 770°C |
| Solubility | Soluble in water, insoluble in organic solvents |
| Purity Standard | ≥98.0% industrial; ≥99.0% food/pharma |
| Storage Condition | Sealed cool dry storage, avoid moisture |
| Hazard Property | Low toxicity, dust mildly irritates skin and eyes |
| Main Usage | Potash fertilizer, food additive, electrolyte pharmaceutical raw material, industrial potassium chemical feedstock |
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