Sodium Chloride Extra Pure

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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