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Potassium Dihydrogen Phosphate Extra Pure
Original price was: $ 18.11.$ 17.98Current price is: $ 17.98.
Potassium Dihydrogen Phosphate Extra Pure, also known as monopotassium phosphate (MKP), is a white crystalline compound with excellent solubility in water and a slightly acidic pH. It serves as a valuable buffering agent and a source of both potassium and phosphorus in various chemical, agricultural, and food-grade applications. In laboratories, it is commonly used in the preparation of buffer solutions and nutrient media for microbial culture. In agriculture, it is employed as a high-efficiency fertilizer due to its dual nutrient content, promoting strong root development and flowering. This compound should be stored in a cool, dry place, away from incompatible substances and moisture to preserve its purity and effectiveness.
Potassium Dihydrogen Phosphate Extra Pure
PRIMARY USES
- Laboratory Reagent:
- Commonly used in buffer solutions to maintain stable pH in biochemical and analytical experiments.
- Key component in phosphate-buffered saline (PBS).
- Agricultural Fertilizer:
- Serves as a highly efficient source of phosphorus and potassium in specialty fertilizers.
- Promotes root development, flowering, and fruiting in crops.
- Food Additive:
- Used as an acidity regulator, nutrient, and buffer in food processing (E340).
- Found in baking powders, dry drink mixes, and dairy products.
- Pharmaceutical Use:
- Provides electrolyte replenishment in intravenous fluids and nutritional supplements.
SECONDARY USES
- Water Treatment:
- Helps in corrosion control and pH stabilization in water systems.
- Animal Feed Additive:
- Provides essential phosphorus and potassium in formulated animal diets.
- Electronics and Industrial Applications:
- Used in ceramics, optical glass, and crystal growth for semiconductors.
1. Basic Identification Attributes
- Chemical Name: Potassium Dihydrogen Phosphate
- CAS Number: 7778-77-0
- HS Code: 2835.24.00
- Molecular Formula: KH₂PO₄
- Synonyms:
- Monopotassium phosphate (MKP)
- Potassium phosphate monobasic
- Monobasic potassium phosphate
- Primary potassium phosphate
2. Physical & Chemical Properties
- Physical State: Solid (crystalline powder or granules)
- Color & Odor: White, odorless
- Boiling Point & Melting Point:
- Melting Point: 252 °C (decomposes)
- Boiling Point: Not applicable (decomposes before boiling)
- Density/Specific Gravity: ~2.34 g/cm³
- Solubility:
- Soluble in water (22.6 g/100 mL at 25 °C)
- Insoluble in ethanol
- pH Level: ~4.4 to 4.7 (1% solution)
- Vapor Pressure & Volatility: Non-volatile
- Flash Point: Not flammable
- Autoignition Temperature: Not applicable
- Viscosity: Not applicable (solid)
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Not classified as hazardous under GHS
- NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
- Exposure Limits:
- No OSHA PEL or ACGIH TLV specified; considered low hazard
- Reactivity:
- Stable under normal conditions
- Avoid strong oxidizers and strong bases
4. Storage & Handling Attributes
- Storage Conditions:
- Store in cool, dry, well-ventilated area
- Keep container tightly sealed
- Incompatible Materials:
- Strong oxidizing agents
- Container Type:
- Plastic, glass, or lined metal containers
- Shelf Life & Expiration Date:
- Stable for at least 3 years if properly stored
- Special Handling Requirements:
- Use gloves and eye protection during handling
- Avoid inhaling dust
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed on TSCA inventory
- Approved for use in food and fertilizer applications
- Complies with FCC and USP specifications
- Hazard Symbols (GHS Pictograms):
- None required
- Transportation Restrictions:
- Not regulated for transport
- Waste Disposal Method:
- Dispose in accordance with local and national regulations
- Generally considered non-hazardous waste
6. Environmental & Health Impact
- Ecotoxicity:
- Low toxicity to aquatic organisms
- Persistence in Environment:
- Readily dissociates and contributes to nutrient load (may lead to eutrophication in large quantities)
- Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
- Biodegradability:
- Inorganic salt; not biodegradable but environmentally acceptable in small amounts
- Inorganic salt; not biodegradable but environmentally acceptable in small amounts
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear protective gloves (e.g., nitrile).
- Use safety goggles or face shields.
- Wear a lab coat or suitable protective clothing.
- Ensure adequate ventilation when handling powders.
Handling:
- Avoid breathing dust.
- Do not eat, drink, or smoke while handling.
- Handle with care to avoid spillage and dust formation.
Storage:
- Store in a tightly closed container.
- Keep in a cool, dry, and well-ventilated area.
- Keep away from incompatible materials (e.g., strong oxidizers).
FIRST AID MEASURES
Inhalation:
- Move the person to fresh air immediately.
- Seek medical attention if symptoms persist.
Skin Contact:
- Wash skin thoroughly with soap and water.
- Remove contaminated clothing and launder before reuse.
- Get medical attention if irritation develops.
Eye Contact:
- Rinse immediately with plenty of water for at least 15 minutes.
- Seek medical help if discomfort or redness continues.
Ingestion:
- Rinse mouth with water.
- Do not induce vomiting.
- Seek medical attention, especially if a large amount is consumed.
FIRE FIGHTING MEASURES
Flammability:
- Not flammable.
Extinguishing Media:
- Use appropriate media for surrounding fire: water spray, dry chemical, foam, or CO₂.
Hazardous Combustion Products:
- May release phosphorus oxides and potassium compounds on thermal decomposition.
Firefighter Protection:
- Wear self-contained breathing apparatus (SCBA) and full protective gear.
- Avoid breathing combustion fumes.
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