Potassium Citrate Extra Pure

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Potassium Citrate Extra Pure is a fine, white crystalline powder recognized for its high solubility in water and excellent buffering capabilities. It is widely used in analytical chemistry and pharmaceutical formulations, particularly as a systemic alkalizer to manage conditions such as kidney stones or metabolic acidosis. In laboratories, it serves as a buffering agent in biochemical applications, helping to maintain stable pH conditions. Its compatibility with food and pharmaceutical standards also makes it useful in food science for flavor enhancement and preservation. This compound should be stored in a tightly sealed container in a dry environment to maintain its stability and prevent moisture absorption.

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Categories: Analytical Reagents, Biochemical Reagents Tags: AnalyticalReagent, BiochemicalReagent, BufferAgent, CitrateBuffer, FoodChemistry, HighPurity, K3C6H5O7, LabUse, PotassiumCitrate, TitrationAid

Description

Potassium Citrate Extra Pure

PRIMARY USES

Pharmaceutical Applications:
- Used to treat kidney stones by alkalinizing the urine (reducing acidity).
- Helps manage gout, renal tubular acidosis, and urinary tract disorders.
- Often used in oral rehydration salts (ORS) and electrolyte replacement therapies.
Buffering Agent:
- Acts as a pH buffer in pharmaceutical, biochemical, and food formulations.
- Helps maintain stable pH in diagnostic reagents and laboratory solutions.
Food Additive:
- Used as a preservative, acidity regulator, and stabilizer (E332).
- Common in beverages, processed cheese, and powdered drinks.

SECONDARY USES

Nutritional Supplement:
- Used in dietary formulations to increase potassium intake and support electrolyte balance.
Cosmetics and Personal Care:
- Included in formulations for its chelating and buffering properties.
- May help control product pH and enhance skin feel.
Laboratory Research:
- Employed in experiments requiring potassium ions in controlled pH conditions.

PRODUCT KEY FEATURES

1. Basic Identification Attributes

Chemical Name: Potassium Citrate
CAS Number: 866-84-2
HS Code: 2918.15.00
Molecular Formula: C₆H₅K₃O₇
Synonyms:
- Tripotassium citrate
- Citrate of potassium
- Potassium salt of citric acid

2. Physical & Chemical Properties

Physical State: Solid (granules or crystalline powder)
Color & Odor: White, odorless
Boiling Point & Melting Point:
- Melting Point: Decomposes above 230 °C
- Boiling Point: Not applicable (decomposes before boiling)
Density/Specific Gravity: ~1.98 g/cm³
Solubility:
- Highly soluble in water (~200 g/L at 20 °C)
- Practically insoluble in alcohol
pH Level: ~7.5 to 9.0 (5% aqueous solution)
Vapor Pressure & Volatility: Not 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 specific OSHA or ACGIH limits; considered safe in common use
Reactivity:
- Stable under normal conditions
- May react with strong acids or oxidizers

4. Storage & Handling Attributes

Storage Conditions:
- Store in tightly sealed containers in a cool, dry place
- Avoid exposure to moisture
Incompatible Materials:
- Strong acids (can release citric acid and CO₂)
Container Type:
- Plastic or glass containers with moisture-resistant lining
Shelf Life & Expiration Date:
- Stable for up to 3 years under proper storage
Special Handling Requirements:
- Standard lab PPE (gloves, goggles) recommended
- Avoid inhalation of dust

5. Regulatory & Compliance Attributes

Regulatory Status:
- GRAS (Generally Recognized As Safe) by FDA
- Listed under TSCA inventory
- Compliant with USP/FCC standards for food and pharmaceutical use
Hazard Symbols (GHS Pictograms):
- None required for this substance
Transportation Restrictions:
- Not regulated for transport
Waste Disposal Method:
- Dispose according to local environmental regulations
- Non-hazardous waste under most disposal guidelines

6. Environmental & Health Impact

Ecotoxicity:
- Low aquatic toxicity
Persistence in Environment:
- Biodegradable; breaks down into citric acid and potassium salts
Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
Biodegradability:
- Readily biodegradable

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear protective gloves (nitrile or latex).
Use safety goggles to prevent eye contact.
Wear a laboratory coat or apron.
Ensure good general ventilation during handling.

Handling:

Avoid generating dust.
Do not breathe dust or ingest.
Wash hands thoroughly after handling.
Avoid contact with eyes and prolonged skin exposure.

Storage:

Store in a tightly sealed container.
Keep in a cool, dry, and well-ventilated area.
Protect from moisture and incompatible substances (e.g., strong acids).

FIRST AID MEASURES

Inhalation:

Move people to fresh air.
Seek medical attention if respiratory symptoms develop.

Skin Contact:

Wash thoroughly with soap and water.
Seek medical attention if irritation persists.

Eye Contact:

Rinse cautiously with water for at least 15 minutes.
Remove contact lenses if present and easy to do.
Get medical advice if irritation occurs.

Ingestion:

Rinse mouth with water.
Do not induce vomiting.
Seek medical attention, especially if large quantities are ingested.

FIRE FIGHTING MEASURES

Flammability:

Non-flammable.

Extinguishing Media:

Use water spray, dry chemical, foam, or carbon dioxide depending on the surrounding fire.

Hazardous Combustion Products:

May emit potassium oxides and carbon oxides when decomposed at high temperatures.

Firefighter Protection:

Wear full protective gear and self-contained breathing apparatus (SCBA).
Avoid inhalation of combustion fumes.