Potassium Chloride Extra Pure

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Potassium Chloride Extra Pure is a high-purity, crystalline inorganic salt with the chemical formula KCl. It appears as a white, odorless, and highly soluble solid, widely used across laboratory, medical, and industrial applications due to its chemical stability and essential role in biological systems.

In laboratory settings, it serves as a reagent in buffer solutions, electrolyte standards, and ionic strength adjustment. In biochemistry, it’s frequently used to prepare isotonic solutions and simulate intracellular fluid composition. Its high purity ensures accuracy in molecular biology, analytical chemistry, and instrument calibration.

Industrially, Potassium Chloride is vital in fertilizer production (as potash), water softening systems, and food processing (as a sodium-free salt alternative).

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Categories: Analytical Reagents, Inorganic and Organic Standards Tags: AnalyticalReagent, BiochemicalReagent, Electrolyte, ExtraPure, HighPurity, KCl, LaboratoryGrade, OsmoticBalance, PotassiumChloride, StandardSolution

Description

Table of Contents

Potassium Chloride Extra Pure

PRIMARY USES

Laboratory Reagent:

Used as a source of potassium ions (K⁺) and chloride ions (Cl⁻) in chemical experiments and buffer solutions.
Commonly used in calibration of conductivity meters and preparation of standard solutions.

Pharmaceuticals & Medical:

Acts as an electrolyte replenisher in IV fluids and oral rehydration solutions.
Treats or prevents hypokalemia (low potassium levels in blood).

Food Industry (in food-grade form):

Used as a salt substitute (partial replacement for sodium chloride) in low-sodium diets.
Helps in maintaining mineral balance in processed foods.

SECONDARY USES

Agriculture & Fertilizers:

Major component in potash fertilizers to provide potassium, vital for plant growth.

Water Treatment:

Used to regenerate water softeners, especially in chloride-sensitive applications.

Industrial & Chemical Manufacturing:

Used in production of potassium hydroxide, potassium metal, and other inorganic compounds.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Potassium Chloride
CAS Number: 7447-40-7
HS Code: 3104.20.00
Molecular Formula: KCl
Synonyms:
- Muriate of potash
- Sylvite (natural mineral form)
- Potash
- Monopotassium salt of hydrochloric acid

2. Physical & Chemical Properties

Physical State: Solid (crystalline powder or granules)
Color & Odor: White, odorless
Boiling Point & Melting Point:
- Melting Point: ~770 °C
- Boiling Point: ~1420 °C
Density/Specific Gravity: ~1.98 g/cm³
Solubility:
- Highly soluble in water (~34.7 g/100 mL at 20 °C)
- Slightly soluble in glycerol; insoluble in alcohol
pH Level: Neutral (5.5–8.5 in 5% solution)
Vapor Pressure & Volatility: Negligible vapor pressure
Flash Point: Not flammable
Autoignition Temperature: Not applicable
Viscosity: Not applicable

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):
- Not classified as hazardous under normal conditions
NFPA Ratings:
- Health: 1
- Flammability: 0
- Reactivity: 0
Exposure Limits:
- No established OSHA PEL or ACGIH TLV
Reactivity:
- Stable under normal conditions
- Incompatible with strong acids and strong oxidizing agents

4. Storage & Handling Attributes

Storage Conditions:
- Store in a dry, well-ventilated place
- Protect from moisture and strong acids
Incompatible Materials:
- Strong acids, strong oxidizers
Container Type:
- Plastic or glass containers
Shelf Life & Expiration Date:
- Long shelf life if kept dry and sealed
Special Handling Requirements:
- Use gloves and safety glasses to avoid skin and eye contact
- Avoid inhaling dust

5. Regulatory & Compliance Attributes

Regulatory Status:
- Generally recognized as safe (GRAS) by FDA
- Not listed as a hazardous substance by major regulatory agencies
Hazard Symbols (GHS Pictograms):
- None required
Transportation Restrictions:
- Not regulated as a hazardous material
Waste Disposal Method:
- Dispose of according to local regulations
- May be diluted and flushed with large amounts of water if permitted

6. Environmental & Health Impact

Ecotoxicity:
- High concentrations may be harmful to aquatic life due to salinity
Persistence in Environment:
- Dissolves and disperses easily in water
Carcinogenicity/Mutagenicity:
- Not classified as carcinogenic or mutagenic
Biodegradability:
- Inorganic salt; not biodegradable but environmentally stable

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear protective gloves (nitrile or neoprene).
Use safety goggles or face shields to protect eyes.
Lab coat or apron recommended.
Dust masks may be required in poorly ventilated areas.

Handling:

Handle in accordance with good laboratory hygiene and safety practices.
Avoid dust formation and inhalation.
Do not ingest or allow contact with eyes.

Storage:

Store in a tightly sealed container in a dry, cool, and well-ventilated location.
Keep away from incompatible substances such as strong acids.
Avoid moisture—hygroscopic in nature.