Sodium Bicarbonate Extra Pure

1. Basic Identification Attributes

• Chemical Name: Sodium Bicarbonate
  • CAS Number: 144-55-8
  • HS Code: 2836.30.00
  • Molecular Formula: NaHCO₃
  • Synonyms:

• Baking soda
• Sodium hydrogen carbonate
• Bicarbonate of soda

2. Physical & Chemical Properties

Physical State: White crystalline powder or granules
• Color & Odor: White, odorless
• Melting Point: Decomposes at ~50 °C (releases CO₂)
• Density/Specific Gravity: Approximately 2.2 g/cm³
• Solubility:

• Soluble in water (~96 g/L at 20 °C)
• Insoluble in ethanol
  • pH Level: Mildly alkaline (pH ~8.3 for 1% 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):

• Generally regarded as safe (GRAS)
• May cause mild eye or skin irritation
  • NFPA Ratings:
• Health: 1
• Flammability: 0
• Reactivity: 0
  • Exposure Limits:
• No specific OSHA PEL or ACGIH TLV established
  • Reactivity:
• Reacts with acids to release CO₂
• Decomposes when heated above 50 °C

4. Storage & Handling Attributes

Storage Conditions:

• Store in a cool, dry, and well-ventilated area
• Keep container tightly sealed
  • Incompatible Materials:
• Strong acids
• Moisture (hygroscopic to some extent)
  • Container Type:
• Plastic or polyethylene containers, sealed drums
  • Shelf Life & Expiration Date:
• Stable for several years if stored dry and sealed
  • Special Handling Requirements:
• Use gloves and goggles if handling in large amounts or dust form
• Minimize dust generation

5. Regulatory & Compliance Attributes

Regulatory Status:

• Approved as a food additive (E500)
• Recognized by FCC, USP, FDA, and EFSA
• Listed in REACH, OSHA, and EPA inventories
  • Transportation Restrictions:
• Not classified as hazardous for transport
  • Waste Disposal Method:
• Dispose in accordance with local regulations
• Non-hazardous waste classification

6. Environmental & Health Impact

Ecotoxicity:

• Low toxicity to aquatic organisms
  • Persistence in Environment:
• Readily neutralized and dissolved in water
  • Carcinogenicity/Mutagenicity:
• Not classified as carcinogenic or mutagenic
  • Biodegradability:
• Inorganic; not biodegradable but environmentally safe