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Potassium Carbonate Extra Pure
Original price was: $ 20.00.$ 19.98Current price is: $ 19.98.
Potassium Carbonate Extra Pure is a high-purity, white, hygroscopic, water-soluble salt with the chemical formula K₂CO₃. It is known for its alkaline properties and exceptional solubility in water, forming a strongly basic solution that is widely used in laboratory and industrial processes. Its Extra Pure grade ensures it meets stringent standards for research, analytical, and high-spec formulation work.
This compound is essential in buffer preparation, pH adjustment, and titration analysis in laboratory chemistry. It also serves as a drying agent for certain solvents and gases due to its moisture-absorbing nature. In industrial applications, Potassium Carbonate is a key ingredient in the manufacture of glass, soaps, and dyes, and is also used in fermentation processes to control acidity. In the food industry, it functions as a food additive (E501), commonly used as a buffering or raising agent in baking.
To maintain its quality, Potassium Carbonate Extra Pure should be stored in a tightly sealed container, in a dry and cool environment, away from acids and moisture, as it readily absorbs water and carbon dioxide from the air. Proper handling using protective gloves and eye protection is advised, especially in concentrated solutions, due to its caustic nature.
Potassium Carbonate Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications:
- Used as a primary standard and buffering agent in chemical analysis.
- Acts as a drying agent for certain organic solvents in lab settings.
- Useful for pH adjustment in various aqueous solutions.
- Glass & Ceramics Manufacturing:
- Important fluxing agent in glass and ceramic
- Enhances transparency, durability, and melting properties of specialty glass.
- Pharmaceutical & Cosmetic Industry:
- Functions as an alkalizing agent in drug formulations.
- Used in soaps, creams, and skin-care products for pH balance.
SECONDARY USES
- Food Industry (in regulated quantities):
- Occasionally used as a food additive (E501) for pH control and leavening.
- Contributes to crispiness in Asian-style noodles and baked goods.
- Textile & Dyeing Industry:
- Utilized in dye fixation and fabric processing to improve color fastness.
- Fire Extinguishers & Fire Suppression:
- Found in dry chemical fire extinguishers for combating grease and oil fires.
1. Basic Identification Attributes
- Chemical Name: Potassium Carbonate
- CAS Number: 584-08-7
- HS Code: 2836.40.00
- Molecular Formula: K₂CO₃
- Synonyms:
- Dipotassium carbonate
- Pearl ash
- Carbonic acid dipotassium salt
- Potash
2. Physical & Chemical Properties
- Physical State: Solid (granular or powder)
- Color & Odor: White, odorless
- Boiling Point & Melting Point:
- Melting Point: ~891 °C
- Decomposes before boiling
- Density/Specific Gravity: ~2.43 g/cm³
- Solubility:
- Highly soluble in water (~112 g/100 mL at 20 °C)
- Insoluble in ethanol and ether
- pH Level: Strongly alkaline (pH ~11.6 for 1% solution)
- Vapor Pressure & Volatility: Not volatile
- Flash Point: Not applicable (non-flammable)
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Skin irritation (Category 2)
- Eye irritation (Category 2A)
- NFPA Ratings:
- Health: 2
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- No specific OSHA PEL or ACGIH TLV
- Reactivity:
- Stable under normal conditions
- Reacts with acids to release CO₂ gas
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a dry, cool, well-ventilated area
- Keep container tightly closed
- Incompatible Materials:
- Acids (releases CO₂)
- Moisture (hygroscopic)
- Container Type:
- Plastic, polyethylene, or sealed metal drums
- Shelf Life & Expiration Date:
- Stable for several years if kept dry
- Special Handling Requirements:
- Use gloves and safety goggles
- Avoid breathing dust and contact with eyes or skin
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Approved for food and pharmaceutical use (FCC, USP)
- Listed under REACH, OSHA, and EPA inventories
- Transportation Restrictions:
- Not classified as hazardous for transport
- Waste Disposal Method:
- Dispose in accordance with local environmental regulations
- Non-hazardous waste classification
6. Environmental & Health Impact
- Ecotoxicity:
- Low toxicity to aquatic life
- Persistence in Environment:
- Dissolves and neutralizes readily in water
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
- Biodegradability:
- Inorganic; not biodegradable but poses minimal long-term impact
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear chemical-resistant gloves (e.g., nitrile or butyl rubber).
- Use safety goggles or face shield to prevent eye contact.
- Wear a lab coat or protective clothing.
- If dust is generated, use a suitable dust mask or respirator.
Handling:
- Handle in a well-ventilated area.
- Avoid contact with skin, eyes, and clothing.
- Do not breathe dust.
- Wash hands thoroughly after handling.
Storage:
- Store in a tightly sealed container.
- Keep in a dry, cool, well-ventilated place.
- Protect from moisture and incompatible materials such as acids and oxidizing agents.
FIRST AID MEASURES
Inhalation:
- Move to fresh air immediately.
- Seek medical attention if breathing becomes difficult.
Skin Contact:
- Wash thoroughly with soap and water.
- Remove contaminated clothing.
- Seek medical advice if irritation occurs.
Eye Contact:
- Rinse immediately with plenty of water for at least 15 minutes.
- Keep eyelids open during rinsing.
- Seek medical attention promptly.
Ingestion:
- Rinse mouth with water.
- Do not induce vomiting unless advised by medical personnel.
- Seek medical attention if symptoms appear.
FIRE FIGHTING MEASURES
Flammability:
- Non-flammable solid.
Extinguishing Media:
- Use dry chemicals, CO₂, foam, or water spray.
Hazardous Combustion Products:
- When heated, it may release potassium oxide fumes.
Firefighter Protection:
- Wear self-contained breathing apparatus (SCBA) and full protective gear.
- Avoid inhaling any thermal decomposition products.
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