Sodium Fluoride Extra Pure

1. Basic Identification Attributes

• Chemical Name: Sodium Fluoride
  • CAS Number: 7681-49-4
  • HS Code: 2826.20.00
  • Molecular Formula: NaF
  • Synonyms:

• Fluorosodium
• Sodium monofluoride

2. Physical & Chemical Properties

• Physical State: Solid (crystalline powder or granules)
  Color & Odor: White, odorless
  • Melting Point: 993 °C
  • Density/Specific Gravity: ~2.56 g/cm³
  • Solubility:
• Soluble in water (~4 g/100 mL at 25 °C)
• Insoluble in ethanol and ether
  • pH Level: Slightly alkaline in aqueous solution
  • Vapor Pressure & Volatility: Negligible
  • Flash Point: Not applicable (non-flammable)

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):

• Acute toxicity if ingested (Category 3)
• Causes serious eye irritation (Category 2A)
• May cause skin irritation (Category 2)
  • NFPA Ratings:
• Health: 3
• Flammability: 0
• Reactivity: 0
  • Exposure Limits:
• OSHA PEL: 2.5 mg/m³ (as fluoride ion)
• ACGIH TLV: 2.5 mg/m³ (as fluoride ion)
  • Reactivity:
• Stable under normal conditions
• Reacts with strong acids releasing toxic hydrogen fluoride gas

4. Storage & Handling Attributes

Storage Conditions:

• Store in a cool, dry, well-ventilated area
• Keep container tightly closed and protected from moisture
  • Incompatible Materials:
• Acids, strong oxidizing agents
  • Container Type:
• Plastic or glass containers with secure sealing
  • Shelf Life & Expiration Date:
• Stable for years if stored properly
  • Special Handling Requirements:
• Avoid dust formation
• Use protective gloves, goggles, and respiratory protection if dust exposure possible

5. Regulatory & Compliance Attributes

Regulatory Status:

• Approved for dental and water treatment applications
• Listed on various chemical inventories including REACH and EPA
  • Transportation Restrictions:
• Not classified as hazardous for transport under normal packaging
  • Waste Disposal Method:
• Dispose of in accordance with local environmental regulations
• Classified as hazardous waste if contaminated

6. Environmental & Health Impact

Ecotoxicity:

• Toxic to aquatic life with long-lasting effects
  • Persistence in Environment:
• Fluoride ions are persistent and can bioaccumulate in aquatic systems
  • Carcinogenicity/Mutagenicity:
• Not classified as carcinogenic or mutagenic
  • Biodegradability:
• Inorganic compound; not biodegradable