Potassium Metal Extra Pure
$ 17.79 Original price was: $ 17.79.$ 17.67Current price is: $ 17.67.
Potassium Metal Extra Pure is a highly reactive, soft, silvery alkali metal that is typically stored under mineral oil to prevent oxidation. It is primarily used in laboratory demonstrations and synthesis as a powerful reducing agent due to its vigorous reaction with water, producing potassium hydroxide and hydrogen gas. This extra pure grade ensures high chemical integrity, making it ideal for sensitive applications in research, organic chemistry, and material science. Due to its reactivity, it must be handled with extreme caution under controlled conditions and proper safety measures.
Potassium Metal Extra Pure
PRIMARY USES
- Laboratory Reagent:
- Used in scientific research and chemical synthesis for studying reactivity trends of alkali metals.
- Acts as a strong reducing agent in organic and inorganic reactions.
- Production of Potassium Compounds:
- Reacted with other substances to produce potassium hydroxide, potassium superoxide, or potassium alkoxides.
- Heat Transfer Medium:
- In combination with sodium (NaK alloy), used as a liquid metal coolant in some nuclear reactors.
SECONDARY USES
- Metal Reduction in Industry:
- Reduces metal halides (e.g., titanium tetrachloride) to produce pure metals such as titanium or tantalum.
- Organic Synthesis Applications:
- Used in specific reactions like the Birch reduction, where it helps reduce aromatic rings under anhydrous conditions.
- Battery Technology (Experimental):
- Studied for potential use in high-energy density batteries, although reactivity limits commercial deployment.
1. Basic Identification Attributes
- Chemical Name: Potassium
- CAS Number: 7440-09-7
- HS Code: 2805.19.00
- Molecular Formula: K
- Synonyms:
- Metallic potassium
- Elemental potassium
- Kalium (Latin name)
2. Physical & Chemical Properties
- Physical State: Solid (soft, silvery metal)
- Color & Odor: Silvery-white to gray; no significant odor
- Boiling Point & Melting Point:
- Boiling Point: ~759 °C
- Melting Point: ~63.5 °C
- Density/Specific Gravity: ~0.86 g/cm³ (lighter than water)
- Solubility:
- Reacts violently with water
- Insoluble in common organic solvents
- pH Level: Not applicable (elemental metal)
- Vapor Pressure & Volatility: Low at room temperature; vaporizes at high temperatures
- Flash Point: Not applicable (ignites on contact with water)
- Autoignition Temperature: ~250 °C (in air)
- Viscosity: Not applicable (solid)
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Water-reactive
- Flammable solid
- Corrosive to skin and eyes
- NFPA Ratings:
- Health: 3
- Flammability: 3
- Reactivity: 3
- Exposure Limits:
- No established TLV or PEL for elemental potassium
- Must avoid inhalation of combustion products (e.g., potassium oxide)
- Reactivity:
- Reacts explosively with water, acids, and moist air
- Forms potassium hydroxide and hydrogen gas (which may ignite)
4. Storage & Handling Attributes
- Storage Conditions:
- Store under dry mineral oil, kerosene, or inert gas (argon)
- Keep tightly sealed in an inert atmosphere
- Store in a cool, dry, flameproof cabinet
- Incompatible Materials:
- Water, acids, halogens, oxidizing agents, alcohols
- Container Type:
- Airtight glass or stainless steel containers submerged in oil
- Shelf Life & Expiration Date:
- Stable indefinitely under inert storage conditions
- Special Handling Requirements:
- Use under dry inert gas or oil
- Gloves, goggles, lab coat, and face shield recommended
- Handle with non-sparking tools only
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Regulated under DOT, OSHA, and EU REACH
- Controlled for transport as a dangerous substance
- Transportation Restrictions:
- UN Number: UN 2257
- Hazard Class: 4.3 (Dangerous When Wet)
- Packing Group: I
- Waste Disposal Method:
- Quench small amounts carefully under mineral oil with isopropanol (by trained personnel)
- Dispose through a licensed hazardous waste contractor
6. Environmental & Health Impact
- Ecotoxicity:
- Highly toxic to aquatic life due to reaction with water
- Reacts to form strong bases (KOH), altering water pH
- Persistence in Environment:
- Not persistent; reacts rapidly with moisture
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
- Biodegradability:
- Not biodegradable; reacts chemically to form potassium hydroxide
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Flame-resistant lab coat
- Nitrile gloves (use with caution; inspect for integrity)
- Safety goggles or full face shield
- Use under inert atmosphere in a glove box or dry, inert gas-purged enclosure
Handling:
- Handle only under dry, inert atmosphere (e.g., nitrogen or argon)
- Avoid contact with water, air, acids, and oxidizers
- Do not touch with bare hands — reacts violently with moisture
- Keep away from heat, sparks, and sources of ignition
Storage:
- Store under mineral oil or in sealed containers under inert gas
- Keep in a cool, dry, well-ventilated, fireproof area
- Keep away from incompatible materials (water, alcohols, halogens)
- Never store in glass containers with ground-glass stoppers
FIRST AID MEASURES
Inhalation:
- Remove to fresh air immediately
- Provide oxygen if breathing is difficult
- Seek immediate medical attention
Skin Contact:
- May cause severe burns — rinse with copious amounts of water if possible
- Do not apply oil or ointment
- Remove contaminated clothing
- Seek emergency medical help immediately
Eye Contact:
- Rinse immediately with water for at least 15 minutes
- Hold eyelids open while flushing
- Urgent medical attention required
Ingestion:
- DO NOT INDUCE VOMITING
- Rinse mouth with water if conscious
- Give nothing by mouth and seek emergency help immediately
FIRE FIGHTING MEASURES
Flammability:
- Highly flammable and reactive — ignites spontaneously in moist air
Extinguishing Media:
- DO NOT use water, CO₂, or foam
- Use Class D dry powder extinguishers (e.g., graphite, dry sand, sodium chloride)
Hazardous Combustion Products:
- Potassium oxide fumes, explosive hydrogen gas
Firefighter Protection:
- Full protective gear and self-contained breathing apparatus (SCBA)
- Approach from upwind
- Use extreme caution — may reignite after extinguishing
Related products
Bitter Masking Pharmaceutical Liquid Flavors Extra Pure
Bitter Masking Pharmaceutical Liquid Flavors Extra Pure is a high-quality formulation designed to effectively mask unpleasant or bitter tastes in oral pharmaceutical preparations during laboratory research and development. This flavoring agent is essential in the compounding of liquid medications, syrups, and suspensions, particularly for pediatric and geriatric studies, where palatability is crucial for compliance. It is crafted to maintain chemical compatibility with active ingredients while preserving the stability and efficacy of the formulation. The extra pure grade ensures low impurity levels, consistent performance, and safety in sensitive pharmaceutical applications. It should be stored in a tightly sealed container, away from light and heat, to preserve its flavor integrity and quality.
Lead Shot Extra Pure
Lead Shot Extra Pure consists of small, spherical pellets of high-purity lead, typically used in specialized industrial, laboratory, and ballistic applications. In laboratories, it serves as a dense, inert mass ideal for radiation shielding, counterweights, or ball-milling media due to its excellent malleability and high atomic mass. In metallurgy, it can be employed in alloy preparation or as a reducing agent under specific conditions. Its consistent size and purity make it especially useful where uniformity and minimal contamination are critical. Safe handling is essential, as lead is toxic, and prolonged exposure can pose serious health hazards. Proper PPE, ventilation, and disposal methods are mandatory.
Polyglycerol-10-Laurate Extra Pure
Polyglycerol-10-laurate Extra Pure is a high-purity, non-ionic surfactant and emulsifier composed of ten glycerol units esterified with lauric acid. This versatile compound is especially valued in cosmetic, pharmaceutical, and food-grade applications where ultra-high purity and biocompatibility are critical.
Known for its excellent emulsifying, dispersing, and solubilizing properties, Polyglycerol-10-laurate is widely used in formulations for creams, lotions, and other personal care products, particularly those designed for sensitive skin. In pharmaceuticals, it aids in enhancing bioavailability and improving the stability of active ingredients, while in food applications, it serves as a safe emulsifier and texturizer, often used in dairy and confectionery products.
Polyglyceryl Extra Pure
Polyglyceryl Extra Pure refers to a high-purity class of non-ionic surfactants and emulsifiers derived from glycerol units. These compounds are widely used in cosmetics, pharmaceuticals, and food formulations due to their excellent skin compatibility, emulsifying properties, and biodegradability.
Polyglyceryls come in various forms (e.g., Polyglyceryl-3, Polyglyceryl-6, Polyglyceryl-10), each offering different levels of hydrophilicity and emulsifying strength. In cosmetics, they help create stable oil-in-water emulsions, ideal for lotions, creams, cleansers, and sunscreens. In pharmaceuticals, their non-toxic and non-irritating nature makes them suitable carriers for active ingredients. In food products, they function as safe emulsifiers and stabilizers, supporting clean-label and natural product development.
This extra pure grade ensures low impurity levels, minimal odor, and consistent performance, making it ideal for sensitive applications. Store tightly sealed in a cool, dry place away from heat and light to maintain its stability and quality.
Potassium Iodide Extra Pure
Potassium Iodide Extra Pure is a high-purity, white crystalline salt widely recognized for its excellent solubility in water and its versatile applications. In laboratories, it is commonly used as a reagent in iodometric titrations and for preparing iodine solutions. In the medical field, it serves as a key source of iodine and is used for thyroid protection against radioactive iodine exposure. Its antioxidant properties also make it valuable in pharmaceutical formulations and as a stabilizer in various chemical processes. The extra pure grade ensures maximum consistency and reliability for precise experimental and industrial outcomes.
Solvent Black Extra Pure
Solvent Black Extra Pure is a deep black powder dye primarily used in laboratory, textile, and cosmetic applications. It provides excellent staining and coloring properties, especially in microscopy, histology, and analytical procedures. It is highly soluble in organic solvents and insoluble in water, making it ideal for specialty dyeing and pigmentation uses. Proper storage and handling are essential to avoid dust inhalation and environmental contamination. Its Extra Pure grade ensures consistent performance in scientific and industrial uses.
Zinc Sulphate Extra Pure
Zinc Sulphate Extra Pure is a high-purity, colorless to white, crystalline compound with the chemical formula ZnSO₄·7H₂O. It is highly soluble in water and commonly used as an analytical reagent, micronutrient supplement, and industrial additive. Its Extra Pure grade ensures suitability for use in sensitive laboratory and pharmaceutical environments. Zinc Sulphate is widely applied in gravimetric analysis, preparation of microbiological media, and as a zinc source in skin-care, feed, and agricultural formulations. Due to its acidic nature in solution, it should be handled with appropriate PPE, stored in moisture-free containers, and kept away from reactive agents.
Zinc Sulphide Extra Pure
Zinc Sulphide Extra Pure is a high-purity, white to pale yellow, odorless crystalline or powdery inorganic compound with the formula ZnS. It is widely used as a phosphorescent and luminescent material in laboratory and industrial applications. Known for its excellent optical properties, it serves as a key reagent in analytical chemistry for spectroscopic standards and as an activator in glass and ceramics. In pharmaceuticals and cosmetics, it acts as a UV blocker and luminescent agent.
Due to its inert nature and stability, Zinc Sulphide Extra Pure is ideal for use in paints, safety coatings, and electronic devices requiring phosphor materials. It requires careful handling to avoid dust inhalation and must be stored away from acids and moisture to prevent release of toxic hydrogen sulfide gas.

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