Sodium Chloride Extra Pure
Sodium Chloride Extra Pure is a high-purity, white crystalline compound commonly used in laboratory, pharmaceutical, food, and chemical applications. It serves as a fundamental reagent and electrolyte in analytical chemistry and clinical formulations. With exceptional stability and water solubility, sodium chloride is indispensable in various industries ranging from medical saline production to food preservation. Its Extra Pure grade ensures consistent results for high-precision work.
Sodium Chloride Extra Pure
PRIMARY USES
Analytical Reagent & Laboratory Applications:
• Used as a reagent for calibration and preparation of standard solutions
• Acts as an ionic strength adjuster in chemical and biochemical assays
• Serves as a medium for conductivity measurements and osmotic pressure studies
Pharmaceutical & Medical Industry:
• Used in saline solutions for injections, IV fluids, and wound irrigation
• Component in oral rehydration salts (ORS) and electrolyte formulations
• Acts as an excipient in tablets and capsules
Food Industry (regulated grade):
• Used as a seasoning, preservative, and curing agent
• Essential in food preservation methods like pickling and brining
• Functions as a carrier for micronutrients and flavor enhancers
SECONDARY USES
Chemical Manufacturing:
• Feedstock in the chlor-alkali process to produce sodium hydroxide and chlorine
• Intermediate in production of sodium salts and other inorganic compounds
Water Treatment:
• Used in water softening systems to regenerate ion exchange resins
• Helps remove hardness ions (calcium and magnesium) from water
Cosmetic & Personal Care Products:
• Used in bath salts, scrubs, toothpaste, and skin cleansers
• Acts as a thickening agent and viscosity modifier in cosmetic formulations
Textile & Dyeing Industry:
• Enhances dye absorption and fixation in cotton dyeing processes
• Acts as an electrolyte to control dye solubility and uniformity
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Basic Identification Attributes
• Chemical Name: Sodium Chloride
• CAS Number: 7647-14-5
• HS Code: 2501.00.10
• Molecular Formula: NaCl
• Synonyms:
- Table salt
- Rock salt
- Common salt
- Halite
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Physical & Chemical Properties
Physical State: Crystalline solid or granules
• Color & Odor: White, odorless
• Melting Point: ~801 °C
• Boiling Point: ~1413 °C
• Density/Specific Gravity: ~2.17 g/cm³
• Solubility:
- Highly soluble in water (~359 g/L at 25 °C)
- Slightly soluble in glycerol and insoluble in ethanol
• pH Level: Neutral (pH ~6.7–7.3 for 0.9% solution)
• Vapor Pressure & Volatility: Not volatile
• Flash Point: Not applicable
• Autoignition Temperature: Not applicable
• Viscosity: Not applicable
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Safety & Hazard Attributes
Hazard Class (GHS Classification):
- Not classified as hazardous
- May cause eye or skin irritation in high concentrations or prolonged exposure
• NFPA Ratings: - Health: 0
- Flammability: 0
- Reactivity: 0
• Exposure Limits: - No OSHA PEL or ACGIH TLV specified
• Reactivity: - Stable under normal conditions
- Reacts with strong acids to produce hydrogen chloride gas
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Storage & Handling Attributes
Storage Conditions:
- Store in a dry, cool, and well-ventilated area
- Keep container tightly closed to prevent caking or contamination
• Incompatible Materials: - Strong acids
- Strong oxidizing agents
• Container Type: - Plastic or sealed metal containers
• Shelf Life & Expiration Date: - Indefinite if stored properly and kept dry
• Special Handling Requirements: - Use basic PPE like gloves and goggles in bulk handling
- Minimize dust generation during transfer
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Regulatory & Compliance Attributes
Regulatory Status:
- Approved for use in food and pharmaceuticals (FCC, USP, BP)
- Listed in REACH, OSHA, and EPA inventories
• Transportation Restrictions: - Not regulated as a hazardous material
• Waste Disposal Method: - Dispose in accordance with local regulations
- Classified as non-hazardous waste
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Environmental & Health Impact
Ecotoxicity:
- Can be harmful to freshwater ecosystems in excessive concentrations
• Persistence in Environment: - Dissolves readily in water; naturally occurring compound
• Carcinogenicity/Mutagenicity: - Not classified as carcinogenic or mutagenic
• Biodegradability: - Inorganic; not biodegradable but environmentally stable
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
• Wear protective gloves and safety goggles if handling large quantities
• Use dust mask or respirator in case of airborne dust
• Wear protective clothing or lab coat
Handling:
• Handle in a well-ventilated area
• Avoid creating dust
• Avoid contact with eyes and prolonged skin exposure
• Wash hands thoroughly after handling
Storage:
• Store in tightly sealed container
• Keep away from moisture and incompatible substances
FIRST AID MEASURES
Inhalation:
• Move to fresh air
• Seek medical attention if irritation occurs
Skin Contact:
• Wash with soap and water
• Remove contaminated clothing
• Seek medical advice if irritation persists
Eye Contact:
• Rinse eyes with water for at least 15 minutes
• Keep eyelids open during rinsing
• Seek medical attention if irritation continues
Ingestion:
• Rinse mouth with water
• Do not induce vomiting
• Seek medical attention if large amounts are ingested
FIRE FIGHTING MEASURES
Flammability:
• Non-flammable
Extinguishing Media:
• Use extinguishing agents appropriate for surrounding materials
Hazardous Combustion Products:
• May emit hydrogen chloride gas when heated with strong acids
Firefighter Protection:
• Use full protective gear and SCBA if involved in surrounding fire