Potassium Chloride (KCl)
High-Purity Industrial & Pharmaceutical Grade Potassium Chloride – Reliable Bulk Supplier for Chemical Processing, Pharmaceuticals, Food Processing, Water Treatment, and Agriculture
Potassium Chloride (KCl) is a high-purity inorganic chloride salt widely used across chemical processing, pharmaceuticals, food processing, water treatment, agriculture, and industrial manufacturing. It functions as an electrolyte source, ionic strength regulator, nutrient input, and formulation stabilizer. Industrial buyers procure potassium chloride for its consistent solubility profile, neutral pH behavior, and compatibility with diverse chemical systems.
Natraj Chem supplies technically validated potassium chloride sourced from verified manufacturers, ensuring consistent particle size distribution, purity, and batch reproducibility required for process-critical applications.
Chemical Identity
| Parameter | Specification |
|---|---|
| Chemical Name | Potassium Chloride |
| Molecular Formula | KCl |
| Molecular Weight | 74.55 g/mol |
| CAS Number | 7447-40-7 |
| EC Number | 231-211-8 |
| Appearance | White crystalline solid |
| Odor | Odorless |
| Solubility | Highly soluble in water |
| pH (5% solution) | Neutral to slightly acidic (≈6.0–7.5) |
| Chemical Family | Alkali metal chloride |
Technical Properties
Precise physical and chemical characteristics engineered for consistent industrial performance.
| Property | Typical Value |
|---|---|
| Density | 1.98 g/cm³ |
| Melting Point | 770 °C |
| Boiling Point | 1420 °C |
| Hygroscopicity | Low |
| Ionic Dissociation | Complete in aqueous solution |
| Electrical Conductivity | High (aqueous solutions) |
| Crystal Structure | Face-centered cubic |
| Thermal Stability | Stable under standard industrial conditions |
Values vary by grade and particle engineering.
Key Functional Benefits
Six performance properties that define KCl as the preferred inorganic salt across industries
Stable Potassium Ion Source
Provides controlled ionic balance for precision chemical and pharmaceutical formulations requiring reliable K⁺ concentration.
Fully Water-Soluble Without Residue
Dissolves completely in aqueous systems, forming a clear ionic solution ideal for precision formulations and automated process dosing.
Wide-Temperature Chemical Stability
Performs reliably across broad temperature ranges with a melting point of 770 °C — supporting high-temperature industrial processes without decomposition.
Broad Chemical Compatibility
Compatible with most inorganic salts and neutral solutions for flexible process integration across diverse chemical environments.
Minimal Hygroscopicity
Ensures superior flowability during storage and dosing compared to many inorganic salts, reducing caking and handling difficulties.
Predictable Dissolution Rate
Supports automated batching systems with reliable, reproducible performance at scale for consistent production output.
Industrial Applications
Where KCl delivers reliable performance across sectors
Reaction medium electrolyte, ionic strength adjuster, and process salt in synthesis, electrochemical systems, and catalyst formulations.
Brine preparation, softener regeneration cycles, and conductivity calibration solutions where precise chloride ion control is required.
Electrolyte formulations, dialysis solutions, and oral rehydration preparations requiring pharma-grade purity.
Sodium chloride substitute, mineral fortification, and flavor modifier in reduced-sodium food formulations.
Major raw material for potash fertilizers supplying potassium nutrient essential for plant metabolism and yield optimization.
Drilling and completion fluids to stabilize shale formations and control osmotic pressure in downhole environments.
Calibration standard, reference electrolyte, and buffer component across analytical chemistry disciplines.
Ionic strength regulation and process salt for specialty chemical applications requiring reproducible batch performance.
Grades / Specifications Available
Select the grade aligned to your application — from bulk industrial to ultra-pure analytical
Industrial Grade
Optimized for process applications and chemical manufacturing – reliable performance for bulk industrial operations where high-volume consistency is required.
Technical Grade
Suitable for water treatment, drilling fluids, and brine systems – engineered for controlled purity and particle characteristics in technical environments.
Food Grade
Compliant for food processing applications – safe and verified for use as a sodium chloride substitute, mineral fortification, and flavor modification.
Pharmaceutical Grade
High purity meeting pharmacopeial standards (IP, BP, USP, EP) – complete documentation and batch certificates for regulated medical applications.
Analytical Grade
Ultra-low impurity profiles for laboratory and calibration standards – reference electrolyte and analytical chemistry requiring maximum accuracy.
Custom Mesh Sizes
Tailored particle size distributions for OEM requirements – powder, granular, crystalline, and custom mesh sizes based on dosing or blending specifications.
💡 Need Help Selecting the Right Grade?
Our technical team provides expert consultation on grade selection based on your application requirements, processing conditions, and regulatory compliance needs. Contact us for customized solutions.
Quality Control Parameters
Each supplied batch is validated sequentially against these defined acceptance criteria before release
Assay Purity (KCl Content)
Rigorous testing verifies potassium chloride purity meets the specified grade standard for every batch prior to release.
Insoluble Matter
Quality verification ensuring complete dissolution performance and confirming absence of undissolved particulate residue.
Moisture Content
Controlled moisture levels verified for optimal storage stability, free-flowing character, and consistent process performance.
Sodium & Calcium Impurity Levels
Precise trace impurity analysis to meet purity thresholds required for regulated food, pharma, and analytical applications.
Heavy Metal Trace Analysis
Comprehensive screening across all relevant heavy metal parameters to ensure compliance with applicable regulatory limits.
Particle Size Uniformity & Bulk Density
Physical properties confirmed against specification — including conductivity performance — to verify consistent handling and dosing behaviour.
Material is released only after QC confirmation meets specification limits required for industrial reproducibility.
Packaging & Supply
Four packaging formats covering controlled-volume procurement through full bulk contract supply
25 kg HDPE Laminated Bags
Moisture-resistant laminated poly bag with sealed inner liner — ideal for controlled-volume procurement and lab-to-pilot scale operations.
50 kg Industrial Sacks
Heavy-duty woven sack construction suited for regular industrial consumption and efficient palletized warehouse handling.
1000 KG
Jumbo Bags (500 kg / 1000 kg)
FIBC bulk bags optimized for high-volume users — efficient crane/forklift handling with direct silo or hopper discharge capability.
Bulk Supply for Contract Buyers
Full container load and tanker supply for long-term industrial procurement partnerships requiring continuous high volume.
All packaging is moisture-resistant and batch-coded for complete traceability.
Storage & Handling
Four handling directives to maintain product integrity and workplace safety throughout the supply chain
Under proper storage conditions, potassium chloride maintains stability for extended periods without degradation.
Regulatory / Safety Information
Potassium chloride is generally classified as a low-hazard inorganic compound — not combustible, not flammable, low toxicity under standard exposure
Safety Data Sheet (SDS)
Complete hazard communication including exposure limits, first-aid measures, and workplace handling guidelines for safe industrial use.
Technical Data Sheet (TDS)
Detailed specifications, physical properties, and performance characteristics for grade selection and technical evaluation purposes.
Certificate of Analysis (COA)
Batch-specific quality verification with actual test results confirming conformity to agreed product specifications per shipment.
Regulatory Compliance Declarations
Full documentation supporting industrial, food, pharmaceutical, and export regulatory framework requirements upon request.
Users must follow local occupational exposure and dust control regulations as applicable.
Why Industries Source from Natraj Chem
- Established chemical sector expertise since 1984
- Long-standing technical experience in inorganic compounds
- Verified global manufacturer network with documented audits
- Consistent batch-to-batch quality assurance
- Reliable supply chain for bulk industrial demand
- Documentation-ready materials for regulated sectors
- Specification matching for process-critical operations
Natraj Chem operates as a sourcing and supply partner focused on chemical consistency, not commodity trading.
Technical Support & Documentation
Technical teams assist with specification matching, grade selection, and compatibility verification — all available on request
Frequently Asked Questions
It is used in chemical processing, fertilizers, drilling fluids, pharmaceuticals, food production, and water treatment systems.
Yes. It dissolves completely, forming a clear ionic solution suitable for precision formulations and process systems.
Suppliers provide industrial, technical, food, pharmaceutical, and analytical grades depending on application requirements.
Store in dry, sealed containers away from moisture and incompatible chemicals in a cool, ventilated area.
It is generally stable but may react with strong oxidizing agents or incompatible salts in concentrated systems.
Yes, when supplied in food-grade specification compliant with applicable regulatory standards for food additive use.
Powder, granular, crystalline, and custom mesh sizes can be supplied based on dosing or blending needs.
It has low hygroscopicity, allowing good storage stability compared to many inorganic salts.
It stabilizes clay formations and prevents swelling in shale drilling environments by controlling osmotic pressure.
Selection depends on purity requirements, impurity tolerance, particle size, and intended application environment.
Get Technical Data & Custom Quote Today
Potassium Chloride is a fundamental industrial inorganic salt valued for its chemical stability, high solubility, and ionic functionality across multiple sectors. Our team provides fast responses with full documentation — no obligation.
- Technical datasheets (TDS) & Safety Data Sheets (SDS)
- Certificate of Analysis (COA) samples
- Competitive bulk pricing & volume quotes
- Distributor / reseller partnership opportunities
- OEM / custom manufacturing inquiries