Preservatives(food)
Flavor Enhancers
Acidulants
Sweeteners
Antioxidants
Colorants(food)
Nutraceutical Ingredients (food)
Nutrient Supplements
Emulsifiers
Collectors
Dust Suppressants
Explosives and Blasting Agents
Flocculants and Coagulants
Frothers
Leaching Agents
pH Modifiers
Precious Metal Extraction Agents
Antioxidants(plastic)
Colorants (Pigments, Dyes)
Fillers and Reinforcements
Flame Retardants
Monomers
Plasticizers
Polymerization Initiators
Stabilizers (UV, Heat)
Antifoaming Agents
Chelating Agents
Coagulants and Flocculants
Corrosion Inhibitors
Disinfectants and Biocides
Oxidizing Agents
pH Adjusters
Scale Inhibitors( water)
Antioxidants(cosmetic)
Emollients
Fragrances and Essential Oils
Humectants
Preservatives
Surfactants(cosmetic)
Thickeners
UV Filters
Fertilizers
Soil Conditioners
Plant Growth Regulators
Animal Feed Additives
Biostimulants
Pesticides (Herbicides, Insecticides, Fungicides)
Active Pharmaceutical Ingredients (APIs)
Excipients
Solvents(pharmaceutical)
Antibiotics
Antiseptics and Disinfectants
Vaccine Adjuvants
Nutraceutical Ingredients (pharmaceutical)
Analgesics & Antipyretics
Analytical Reagents
Solvents(lab)
Chromatography Chemicals
Spectroscopy Reagents
microbiology-and-cell-culture-reagents
Molecular Biology Reagents
Biochemical Reagents
Inorganic and Organic Standards
Laboratory Safety Chemicals
Specialty Laboratory Chemicals(Special Laboratory Equipment)
Demulsifiers
Hydraulic Fracturing Fluids
Scale Inhibitors(oil)
Surfactants(oil)
Drilling Fluids
Dyes and Pigments
Bleaching Agents
Softening Agents
Finishing Agents
Antistatic Agents
Admixtures
Waterproofing Agents
Sealants and Adhesives
Curing Compounds
Concrete Repair Chemicals
Anti-Corrosion Coatings
Surfactants(cleaning)
Builders
Enzymes
Solvents (Cleaning)
Fragrances
Electronic Chemicals
Catalysts
Lubricants
Photographic Chemicals
Refrigerants
Automotive chemicals
Pyrotechnic Chemicals
Biodegradable Surfactants
Bio-based Solvents
Renewable Polymers
Carbon Capture Chemicals
Wastewater Treatment Chemicals
Pigments
Solvents(paint)
Specialty Coatings
Binders/Resins
Additives
Driers
Anti-Corrosion Agents
Functional Coatings
Application-Specific Coatings
Leavening Agents
Dough Conditioners
Flour Treatments
Fat Replacers
Decoratives
Preservatives(baking)
Plasticizers & Softeners
Reinforcing Agents
Adhesion Promoters
Vulcanizing Agents
Antidegradants
Blowing Agents
Fillers & Extenders
Accelerators & Retarders
Potassium Nitrate Extra Pure
Original price was: $ 17.69.$ 17.54Current price is: $ 17.54.
Potassium Nitrate Extra Pure is a high-purity, crystalline chemical compound widely used in laboratories, pharmaceuticals, and food-grade applications. It serves as a strong oxidizing agent, commonly employed in analytical chemistry, fertilizer formulation, and pyrotechnics. In pharmaceutical settings, it may be used in toothpaste for sensitive teeth, while in food processing, it can function as a preservative under strict regulatory control. Its extra pure grade ensures low levels of impurities, making it ideal for precision-dependent procedures. The compound should be stored in a cool, dry place away from incompatible substances to maintain its stability and reactivity.
Potassium Nitrate Extra Pure
PRIMARY USES
- Laboratory Reagent
- Widely used in analytical chemistry and educational experiments, especially in oxidation-reduction reactions.
- Acts as a source of nitrate ions in various chemical syntheses.
- Oxidizing Agent in Pyrotechnics
- A key ingredient in black powder (gunpowder), fireworks, and rocket propellants due to its strong oxidizing properties.
- Provides oxygen to support the combustion of other materials.
- Fertilizer (High Purity)
- Supplies essential nutrients: potassium (K) and nitrogen (N) for plant growth.
- Used in hydroponics and precision agriculture when extremely pure grade is needed.
SECONDARY USES
- Food Preservation
- Historically used to cure meats (known as saltpetre); however, modern use is regulated.
- Acts as an antimicrobial agent and helps retain meat color.
- Heat Transfer Media
- Used in solar thermal storage systems and heat transfer salt mixtures, especially in molten salt technology.
- Glass and Ceramic Manufacturing
- Improves strength and clarity of specialty glass and ceramics by acting as a fluxing agent.
1. Basic Identification Attributes
- Chemical Name: Potassium Nitrate
- CAS Number: 7757-79-1
- HS Code: 2834.21.00
- Molecular Formula: KNO₃
- Synonyms:
- Saltpeter
- Nitrate of Potash
- Nitric Acid, Potassium Salt
- E252 (as food additive)
2. Physical & Chemical Properties
- Physical State: Solid (granular or crystalline powder)
- Color & Odor: White or colorless; odorless
- Boiling Point & Melting Point:
- Melting Point: ~334 °C
- Decomposes before boiling
- Density/Specific Gravity: ~2.11 g/cm³ at 20 °C
- Solubility:
- Water: Highly soluble (32g/100 mL at 20 °C)
- Slightly soluble in glycerol
- Practically insoluble in ethanol and acetone
- pH Level: 6–8 (5% aqueous solution)
- Vapor Pressure & Volatility: Not volatile; negligible vapor pressure
- Flash Point: Not flammable
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable (solid)
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Oxidizing Solid (Category 3)
- Eye Irritation (Category 2A)
- NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 1
- Exposure Limits:
- No specific OSHA PEL
- ACGIH TLV: Not established
- Reactivity:
- Strong oxidizer
- Reacts violently with reducing agents, flammable and combustible materials, and acids
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a tightly closed container
- Cool, dry, and well-ventilated area
- Protect from heat, moisture, and combustible substances
- Incompatible Materials:
- Reducing agents, sulfur, powdered metals, organic materials, acids
- Container Type:
- Use plastic, HDPE, or coated metal containers resistant to corrosion and oxidation
- Shelf Life & Expiration Date:
- Long shelf life if stored dry and sealed (2–3 years or longer)
- Special Handling Requirements:
- Use gloves, goggles, lab coat
- Avoid creating dust; do not mix with combustibles
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed under REACH, TSCA, FDA (as food additive E252)
- EPA: Recognized for nitrate pollution concerns
- Transportation Restrictions:
- UN Number: UN1486
- DOT Hazard Class: 5.1 (Oxidizer)
- Packing Group: III
- Waste Disposal Method:
- Dispose of via licensed hazardous waste disposal contractor
- Avoid release into environment or sewage
6. Environmental & Health Impact
- Ecotoxicity:
- Toxic to aquatic life in high concentrations
- Contributes to algal blooms and eutrophication
- Persistence in Environment:
- Persistent as nitrate ions; leaches into groundwater
- Carcinogenicity/Mutagenicity:
- Not listed as carcinogenic by IARC, NTP, or OSHA
- Biodegradability:
- Not biodegradable; mobile in soil and water systems
- Not biodegradable; mobile in soil and water systems
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Chemical-resistant lab coat
- Nitrile or neoprene gloves
- Safety goggles or face shield
- Use in a well-ventilated fume hood or with local exhaust ventilation
Handling:
- Handle with care; avoid creating dust
- Do not mix with combustible materials, acids, or reducing agents
- Avoid contact with skin, eyes, and clothing
- Prevent contamination with organic substances (may cause violent reactions)
Storage:
- Store in a tightly sealed container in a cool, dry, well-ventilated area
- Keep away from heat, sparks, and sources of ignition
- Do not store near flammable or combustible materials
- Separate from acids, metal powders, and reducing agents
FIRST AID MEASURES
Inhalation:
- Move person to fresh air
- Loosen tight clothing and ensure clear airway
- If symptoms persist, seek medical attention
Skin Contact:
- Wash affected area with plenty of soap and water
- Remove contaminated clothing
- Seek medical attention if irritation develops
Eye Contact:
- Rinse cautiously with water for at least 15 minutes
- Remove contact lenses if present and easy to do
- Seek medical advice if irritation or discomfort continues
Ingestion:
- Rinse mouth with water
- Do NOT induce vomiting
- Seek immediate medical assistance
FIRE FIGHTING MEASURES
Flammability:
- Not flammable, but a strong oxidizer
- May intensify fire in presence of combustible material
Extinguishing Media:
- Use water spray, fog, or foam
- Do NOT use dry chemical extinguishers on large fires involving nitrates
Hazardous Combustion Products:
- Toxic gases including nitrogen oxides (NOₓ) and potassium oxides
Firefighter Protection:
- Wear full protective gear and a self-contained breathing apparatus (SCBA)
- Approach fire from upwind side
- Use water to cool containers exposed to fire
Related products
Cupric Sulphate Pentahydrate Extra Pure
Cupric Sulphate Pentahydrate Extra Pure is a vibrant blue crystalline compound widely used in laboratories for its high solubility and consistent copper ion content. It is essential in analytical chemistry for Fehling's and Benedict’s solutions, in electrochemistry for plating and battery experiments, and as a biological nutrient in microbiological media. The pentahydrate form offers ease of handling and precise formulation in aqueous solutions. This extra pure grade ensures exceptional purity, making it suitable for teaching labs, research applications, and controlled experimental procedures. Store in a sealed container away from heat and moisture to maintain its crystalline integrity.
Magnesium Chloride Extra Pure
Magnesium Chloride Extra Pure is a highly soluble, refined chemical compound commonly used for its excellent hygroscopic and electrolyte properties. In laboratory and analytical settings, it is valued for preparing magnesium-based solutions and as a reagent in various chemical reactions. In pharmaceuticals, it serves as a magnesium supplement, aiding in nerve function and muscle health. It is also used in cosmetics and personal care products for its skin-conditioning benefits. Additionally, it finds applications in textile processing, dust control, and de-icing formulations, where its purity ensures minimal impurities in sensitive applications.
Magnesium Hydroxide Heavy Extra Pure
Magnesium Hydroxide Heavy Extra Pure is a high-purity, dense white powder widely utilized for its antacid and absorbent properties. In pharmaceutical formulations, it acts as a gentle laxative and an effective antacid to neutralize stomach acid. Due to its high purity, it is also used in laboratory experiments and analytical chemistry where precise reactions are essential. In cosmetic and personal care products, it functions as a pH adjuster and an absorbent in creams, lotions, and deodorants. Additionally, it serves roles in wastewater treatment, flame retardants, and ceramic manufacturing, offering consistent performance and low impurity content.
Magnesium Sulphate Extra Pure
Magnesium Sulphate Extra Pure is a high-purity, inorganic compound commonly appearing as a white crystalline powder or granules. It is primarily valued in laboratories for its role as a source of magnesium ions in chemical analysis and biological experiments. This compound is widely used in buffer preparation, dehydration processes, and precipitation reactions due to its excellent solubility in water. In addition to lab applications, it also serves purposes in pharmaceutical formulations, cosmetics, and agriculture as a magnesium supplement. Its extra pure grade ensures minimal impurities, making it suitable for sensitive research and analytical tasks.
Malic Acid Extra Pure
Malic Acid Extra Pure is a high-grade, naturally occurring dicarboxylic acid known for its sharp, tart flavor and versatility in both laboratory and industrial settings. It is commonly found in fruits such as apples and is widely used as an acidulant in food and beverage formulations, where it enhances flavor, preserves freshness, and improves pH stability. In laboratory applications, Malic Acid is employed in biochemical research, particularly in studies involving the citric acid cycle, due to its role as an intermediate metabolite. Its excellent solubility in water and mild acidity also make it suitable for cosmetic formulations and pharmaceutical preparations. The extra pure grade ensures high analytical accuracy and consistent quality across applications requiring strict purity standards.
Manganous Dihydrogen Phosphate Extra Pure
Manganous Dihydrogen Phosphate Extra Pure is a high-purity, white to pale pink crystalline compound composed of manganese and phosphate ions. It is primarily used in analytical chemistry, research laboratories, and specialized industrial processes where a precise and reliable manganese source is required. This compound is valued for its solubility in water and its role as a reagent in studies involving nutrient uptake, coordination chemistry, and phosphate-related reactions. Additionally, it finds niche applications in fertilizers and micronutrient formulations, particularly in controlled agricultural studies. Its extra pure grade ensures minimal contamination, making it suitable for sensitive experiments and formulations.
Marble Chips Extra Pure
Marble Chips Extra Pure are high-grade, naturally occurring calcium carbonate fragments that have been carefully processed to ensure exceptional purity. These white or off-white chips are widely used in laboratory experiments, especially in demonstrations involving acid-carbonate reactions where the release of carbon dioxide is observed. Beyond educational and research use, they also serve as a buffering agent, filtration medium, and mild abrasive in various industrial applications. Due to their chemical stability and high calcium content, marble chips are ideal for use in controlled environments where contaminants must be minimized.
Silver Nitrate Extra Pure
Silver Nitrate Extra Pure is a high-purity, colorless to white crystalline solid widely used in analytical chemistry, medical treatments, and photography. Known as lunar caustic, it serves as a key reagent for detecting halides and as an antiseptic agent. Its high solubility in water and sensitivity to light requires careful storage in dark, sealed containers. The Extra Pure grade ensures minimal impurities for precision work.
