Sodium Iodide Extra Pure

1. Basic Identification Attributes

• Chemical Name: Sodium Iodide
  • CAS Number: 7681-82-5
  • HS Code: 2827.39.00
  • Molecular Formula: NaI
  • Synonyms:

• Sodium iodide anhydrous
• Na iodide

2. Physical & Chemical Properties

Physical State: Solid, crystalline powder or granules
• Color & Odor: White to pale yellow, odorless
• Melting Point: 661 °C
• Density: Approximately 3.67 g/cm³
• Solubility:

• Highly soluble in water (~184 g/100 mL at 20 °C)
• Insoluble in ethanol and organic solvents
  • pH Level: Neutral to slightly alkaline in aqueous solution
  • Vapor Pressure: Negligible
  • Flash Point: Not flammable

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):

• Not classified as hazardous but can cause irritation on contact
  • NFPA Ratings:
• Health: 1
• Flammability: 0
• Reactivity: 0
  • Exposure Limits:
• No established OSHA PEL or ACGIH TLV
  • Reactivity:
• Stable under normal conditions
• Reacts with strong oxidizers and acids

4. Storage & Handling Attributes

Storage Conditions:

• Store in a cool, dry, well-ventilated area away from light and moisture
• Keep container tightly closed to avoid degradation
  • Incompatible Materials:
• Strong oxidizers
• Acids and halogens
  • Container Type:
• Plastic or glass containers preferred
  • Shelf Life:
• Stable for several years if stored properly
  • Special Handling Requirements:
• Use gloves and safety goggles
• Avoid inhalation of dust and contact with skin or eyes

5. Regulatory & Compliance Attributes

Regulatory Status:

• Listed under REACH, OSHA, EPA chemical inventories
  • Transportation Restrictions:
• Not classified as hazardous for transport
  • Waste Disposal Method:
• Dispose in accordance with local environmental regulations

6. Environmental & Health Impact

Ecotoxicity:

• Low toxicity to aquatic organisms but should be avoided in large quantities
  • Persistence in Environment:
• Soluble and disperses readily in water
  • Carcinogenicity/Mutagenicity:
• Not classified as carcinogenic or mutagenic
  • Biodegradability:
• Inorganic salt, not biodegradable but low environmental impact in small quantities