Sodium Sulphate Anhydrous Extra Pure

1. Basic Identification Attributes

• Chemical Name: Sodium Sulphate Anhydrous
  • CAS Number: 7757-82-6
  • HS Code: 2833.11.00
  • Molecular Formula: Na₂SO₄
  • Synonyms:

• Sulfuric acid disodium salt
• Glauber's salt (when hydrated)

2. Physical & Chemical Properties

Physical State: Solid, crystalline powder or granular
• Color & Odor: White, odorless
• Melting Point: 884 °C
• Boiling Point: Decomposes before boiling
• Density: 2.66 g/cm³
• Solubility:

• Soluble in water (~19.5 g/100 mL at 20 °C)
• Insoluble in ethanol and ether
  • pH Level: Neutral in aqueous solution
  • Vapor Pressure: Negligible
  • Flash Point: Non-flammable

3. Safety & Hazard Attributes

Hazard Class (GHS Classification):

• Generally considered non-hazardous
  • NFPA Ratings:
• Health: 1
• Flammability: 0
• Reactivity: 0
  • Exposure Limits:
• No specific OSHA PEL or ACGIH TLV
  • Reactivity:
• Stable under normal conditions
• Incompatible with strong acids

4. Storage & Handling Attributes

Storage Conditions:

• Store in a dry, cool, well-ventilated area
• Keep container tightly closed to avoid moisture absorption
  • Incompatible Materials:
• Strong acids
  • Container Type:
• Plastic or sealed metal drums
  • Shelf Life:
• Stable if stored dry and sealed
  • Special Handling Requirements:
• Use gloves and safety goggles
• Avoid inhaling dust

5. Regulatory & Compliance Attributes

Regulatory Status:

• Approved for food, pharmaceutical, and laboratory use (FCC, USP)
• Listed under REACH, OSHA, and EPA 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 life
  • Persistence in Environment:
• Dissolves and disperses readily in water
  • Carcinogenicity/Mutagenicity:
• Not classified as carcinogenic or mutagenic
  • Biodegradability:
• Inorganic salt; not biodegradable but environmentally benign