Whether you’re launching a new venture or managing an established operation, many industries rely on Potassium nitrate for key chemical processes. No worries—Suneco Chem is here with high-quality, practical solutions tailored to your industrial needs.
With over 20 years of experience, Suneco Chem is a trusted name in the Potassium nitrate market. We’re committed to delivering reliable quality and long-term customer satisfaction every step of the way.
This NPK compound fertilizer provides a rapid-release, high-efficiency, and user-friendly solution for farmers and horticulturists. With customizable grades, low moisture, and uniform nutrient distribution, it supports optimal crop performance across diverse agricultural sectors. Custom packaging and reliable delivery make it a practical and competitive choice.
This high-purity NPK Compound Fertilizer combines nitrogen (N), phosphorus (P₂O₅), and potassium (K₂O) in a well-balanced formulation, designed to meet the nutritional needs of a wide variety of crops. Featuring quick-release granules or powder form, it offers exceptional solubility, effective nutrient absorption, and a uniform growth boost for vegetables, fruits, and flowers.
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Place of Origin
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China
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Release Type
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Quick
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State
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Powder
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Purity
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High Purity
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Application
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Agriculture
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Chemical Character
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Chemical Neutral
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Manufacturing Method
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Compound Fertilizer
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Our high-quality Urea Fertilizer 46-0-0 is a highly concentrated nitrogen source designed for professional agricultural use. With a nitrogen content of 46%, it is one of the most efficient and widely used fertilizers in global crop cultivation. This granular fertilizer is white in color, highly soluble in water, and features a controlled-release profile that ensures effective nitrogen delivery over time.
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boiling point
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332.48 ℃
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melting point
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267 至 3 ℃
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Flash point
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76.3 至 31.1 ℃
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density
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1.335 g/cm³（ (25℃)）
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refractive index
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13.78
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Application
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Agricultural field
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Our NPK Fertilizer is a high-purity, quick-release compound fertilizer designed to meet the balanced nutritional needs of crops. Containing essential macronutrients—Nitrogen (N), Phosphorus (P₂O₅), and Potassium (K₂O)—this fertilizer promotes strong root development, lush foliage growth, flower and fruit formation, and enhanced resistance to disease.
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Manufacturing Method
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Compound Fertilizer
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Transport Package
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Customizable
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Infection on Soil
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Physiological Neutral
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Release Type
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Quick
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Type
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General Compound Fertilizer
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Specification
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Customizable
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Application
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Vegetables, Flowers, Fruit
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You’re in the right place. Suneco Chem, located in Dongying, Shandong, China, is a trusted and professional company specializing in a wide range of industrial chemical products, including Potassium nitrate, high-purity chemical reagents, and specialty compounds. We provide comprehensive chemical solutions that can be tailored to meet your specific industrial requirements.
Suneco Chem – the name you can trust.
As a reliable and experienced Potassium nitrate manufacturer in China, we invite you to visit our facility and discuss your needs in person. Whether you require small batches for lab use or large-scale industrial quantities, we are always at your service and committed to supporting your operations with consistent quality and competitive pricing.
If Potassium Nitrate is a vital component in your industrial or agricultural operations—such as fertilizer manufacturing, fireworks production, food preservation, or heat transfer applications—this comprehensive guide will help you make informed purchasing decisions.
Potassium Nitrate is a versatile oxidizing agent and essential nitrogen–potassium fertilizer. It is valued for its high purity, chemical stability, and multi-industry utility, making it widely used across the agriculture, pharmaceutical, explosives, and glass manufacturing sectors.
Potassium Nitrate (KNO₃) is a white crystalline salt composed of potassium, nitrogen, and oxygen. It is soluble in water, non-flammable, and acts as a strong oxidizing agent. Its typical appearance is a fine to granular white powder or prill form. Commercial purity ranges from 95% to 99.9%, depending on the grade and intended use.
Industries Using Potassium Nitrate Include:
Agriculture (NPK Fertilizer)
Explosives and fireworks
Food preservation (curing salt)
Glass and ceramics
Metal treatment and heat transfer fluids
Pharmaceuticals
| Property | Specification |
|---|---|
| Appearance | White crystalline or prilled powder |
| Chemical Formula | KNO₃ |
| Purity | ≥95% to ≥99.9% (depending on grade) |
| Solubility in Water | Highly soluble (13.3 g/100 ml at 25°C) |
| pH (5% solution) | 6.0 – 8.0 |
| Density | 2.11 g/cm³ |
| Melting Point | 334°C |
| Boiling Point (decomp.) | ~400°C (releases O₂) |
| Shelf Life | 24–36 months (under dry storage) |
| Packaging | 25–50 kg plastic-lined bags or bulk jumbo bags |
Key source of nitrogen (N) and potassium (K) for plant growth.
Enhances fruit quality, yield, and drought resistance.
Chloride-free, ideal for sensitive crops.
Used in gunpowder, propellants, and pyrotechnic compositions.
Functions as an oxidizer in combustion reactions.
Known as E252, it preserves meats and inhibits bacterial growth.
Provides characteristic cured flavor and color to deli products.
Strengthens glass through ion exchange.
Used in molten salt baths for steel heat treatment.
Acts as a flux and oxidizer in enamel and ceramic formulations.
Ingredient in some tooth desensitizing agents.
Applied in niche medications and topical ointments.
| Grade Type | Purity Range | Typical Use |
|---|---|---|
| Agricultural Grade | ≥98% | NPK compound fertilizers |
| Industrial Grade | ≥99% | Pyrotechnics, glass, ceramics |
| Food Grade (E252) | ≥99.5% | Food preservation, curing salts |
| Technical Grade | ≥95% | General chemical applications |
Not typically. However:
It may be mildly corrosive to metals in humid conditions.
It is a strong oxidizer and should not be stored with combustible materials.
Storage Recommendations:
Store in dry, well-ventilated spaces.
Keep sealed in original packaging.
Avoid contact with flammable substances or acids.
Potassium Nitrate is considered low in toxicity when handled correctly.
However:
Inhalation of dust can cause irritation.
Ingestion in large quantities can affect blood oxygen levels.
Safe Handling Guidelines:
Use protective gloves and goggles.
Avoid open flames or high heat during handling.
Refer to MSDS for spill, exposure, and disposal instructions.
No, it is not explosive on its own, but it is a potent oxidizer and can accelerate combustion of other substances.
Precautions:
Do not mix with organic materials or fuels.
Ensure compliance with local regulations when using in pyrotechnics.
| Parameter | Potassium Nitrate | Sodium Nitrate | Ammonium Nitrate |
|---|---|---|---|
| Oxidizing Power | Strong | Moderate | Very strong |
| Agricultural Use | Preferred for chloride-sensitive crops | Limited | High nitrogen content |
| Explosive Risk | Moderate (oxidizer) | Low | High (explosive) |
| Water Solubility | Excellent | Excellent | Excellent |
| Toxicity | Low | Low–Moderate | High (especially for inhalation) |
| Application Area | Required Purity | Regulatory Certifications |
|---|---|---|
| Fertilizer Manufacturing | ≥98% | ISO, SGS, RoHS, REACH |
| Food Additive (E252) | ≥99.5% | FDA, Codex Alimentarius, EFSA |
| Pyrotechnics / Industrial | ≥99% | GB/T 1918, Technical Data Sheet |
| Medical / Pharmaceutical | ≥99.5% | USP, EP, GMP Compliance |
Price Influencing Factors:
Grade and purity
Packaging type and volume
Bulk order quantities
Freight and compliance documentation
Checklist When Selecting a Supplier:
Provides COA, MSDS, TDS
Certified with REACH, ISO, HACCP, or relevant local standards
Offers custom packaging and labeling
Capable of global export with consistent inventory
Technical support available for fertilizer formulations or pyrotechnic blends
Caution:
Avoid vendors offering inconsistent particle sizes or unverified purity levels, especially for food or pharmaceutical use.
Define Application Requirements
Choose appropriate grade: agricultural, food, industrial, etc.
Determine necessary purity, granule size, and packaging.
Request Product Documentation
COA (Certificate of Analysis)
MSDS (Material Safety Data Sheet)
TDS (Technical Data Sheet)
Evaluate Product Performance
Conduct solubility and compatibility testing.
Review nitrate content in line with application standards.
Packaging Review
Moisture-resistant double-layer bags (25 kg or bulk jumbo)
Labeling for food-grade or industrial identification
Choose Trusted Suppliers
Manufacturers with experience in chemical handling and export.
Vendors with warehouse inventory for fast delivery.
Potassium Nitrate (KNO₃) is a safe, efficient, and multi-functional oxidizer and nitrogen–potassium source. Its chemical stability, high purity, and broad utility make it indispensable in industries from fertilizers to food processing and fireworks.
For the best results:
Match the grade to your exact application.
Source from reliable, certified manufacturers.
Follow proper storage and safety practices.
Whether you’re producing specialty fertilizers, precision pyrotechnics, or heat-resistant glass, Potassium Nitrate delivers consistent quality and performance you can trust.