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Product Name: Sodium Bicarbonate
Synonyms: Baking Soda, Bicarbonate of Soda, Sodium Hydrogen Carbonate
Chemical Formula: NaHCO₃
Molecular Weight: 84.01 g/mol
Recommended Use: Ingredient in food, cleaning agent, antacid, laboratory chemical, fire extinguisher, pH buffer, livestock supplement
Manufacturer Details: Refer to supplier's address and emergency contact number
CAS Number: 144-55-8
UN Number: Not classified as hazardous for transport
GHS Classification: Not classified as hazardous according to GHS
Hazard Statements: Not hazardous under normal conditions
Signal Word: None
Pictograms: None assigned
Possible Health Effects: Mild irritation to eyes or skin on contact, ingestion in large quantities may cause gastrointestinal irritation
Environmental Hazards: Not considered an environmental hazard
Precautionary Statements: Avoid generating dust, use in well-ventilated areas, avoid eye or prolonged skin contact
Substance: Sodium Bicarbonate
Component: Sodium Bicarbonate
Concentration: Greater than 99%
Additives: Typically none
Impurities: Usually contains trace amounts of sodium carbonate, based on manufacturer specification
Eye Contact: Immediately flush eyes with plenty of water for 15 minutes, lift eyelids occasionally; seek medical help if irritation persists
Skin Contact: Wash exposed skin thoroughly with water and soap; remove contaminated clothing
Inhalation: Move affected person to fresh air; if respiratory symptoms develop, consult health specialist
Ingestion: Rinse mouth, give water to drink; do not induce vomiting; medical attention if large quantity ingested or symptoms develop
Other Notes: Symptomatic treatment recommended, no special antidotes known
Suitable Extinguishing Media: Not flammable, use agent suitable for surrounding fires (water spray, foam, dry chemical, CO₂)
Hazardous Combustion Products: May evolve sodium oxide at high temperatures
Protection for Fire-Fighters: Use standard protective equipment, self-contained breathing apparatus if involved in fire
Special Fire Procedures: No special procedures required for this compound
Explosion Sensitivity: Not explosive under normal conditions
Personal Precautions: Avoid breathing dust, provide adequate ventilation, wear dust mask and gloves
Environmental Precautions: Avoid discharge into drains, soil, or waterways
Spill Clean-Up: Sweep or vacuum up material, avoid creating airborne dust, collect in properly labeled containers for disposal
Decontamination: Rinse spill site after material pick-up
Disposal of Contaminated Material: Dispose according to local regulations
Handling: Avoid contact with eyes, skin, and clothing, minimize dust formation, use local exhaust ventilation in processing areas, wash hands after handling
Storage: Store in cool, dry, well-ventilated place, keep containers tightly closed, protect from moisture and incompatible materials (acids), keep away from sources of contamination
Incompatible Materials: Acids, strong oxidizers, moisture
Safe Storage Containers: Polyethylene-lined fiber drums, polypropylene bags, or similar materials
Exposure Limits: No specific occupational exposure limits set by OSHA/NIOSH/AICIH for sodium bicarbonate
Engineering Controls: Use local exhaust ventilation to control dust, work in well-ventilated area
Eye Protection: Safety goggles
Skin Protection: Gloves and lab coat or apron
Respiratory Protection: N95 or P2 dust mask if dust generated
Hygiene: Wash hands after use, do not eat, drink, or smoke during handling
Other Protective Equipment: Emergency eyewash should be available nearby
Appearance: White crystalline powder or fine granules
Odor: Odorless
Odor Threshold: Not applicable
pH: About 8.2 (1% solution at 25°C)
Melting Point: Decomposes above 50°C, releases CO₂
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not flammable
Vapor Pressure: Not applicable
Solubility in Water: 7.8 g/100 mL (at 20°C)
Partition Coefficient (n-octanol/water): Not determined
Decomposition Temperature: Above 50°C
Relative Density: 2.2 (water = 1)
Bulk Density: 0.9–1.1 g/cm³ (varies with form)
Chemical Stability: Stable under dry, cool conditions
Reactivity: Reacts with acids to release carbon dioxide gas
Hazardous Reactions: Contact with acids liberates carbon dioxide; can rupture closed containers
Hazardous Decomposition Products: Carbon dioxide, trace sodium oxide at high temperatures
Polymerization: Does not undergo polymerization
Conditions to Avoid: Heat, acid contact, high moisture
Likely Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Effects: Mild irritation to eyes/skin, coughing/sneezing if inhaled, digestive upset if ingested in large quantity
Chronic Effects: No significant effects known with proper use
LD50 (Oral, Rat): 4220 mg/kg
Carcinogenicity: Not considered carcinogenic by IARC, NTP, OSHA
Mutagenicity: Not classified as mutagenic
Reproductive Toxicity: Not classified as toxic to reproduction
Symptoms of Overexposure: Eye and skin irritation, nausea, vomiting if large amounts swallowed
Medical Conditions Aggravated by Exposure: Pre-existing respiratory or gastrointestinal conditions
Ecotoxicity: Low acute aquatic toxicity, not expected to pose significant hazard to aquatic organisms
Biodegradability: Substance is inorganic, does not undergo biological degradation
Persistence: Breaks down to common minerals (sodium, carbonate, water, carbon dioxide)
Mobility in Soil: Readily soluble, may leach to groundwater in large quantities
Bioaccumulation: Does not bioaccumulate in living organisms
Effect on Sewage Plants: Not known to harm wastewater treatment processes in typical use concentrations
Waste Treatment Methods: Dispose as non-hazardous waste, follow local, regional, and national regulations
Disposal of Packaging: Rinse and recycle or dispose with regular waste if permitted by local regulations
Precautions: Prevent from entering drains or watercourses in large quantities
Recommended Disposal: Small quantities may be washed to wastewater; large quantities require landfill or authorized waste facility
UN Number: Not regulated
Proper Shipping Name: Sodium Bicarbonate
Hazard Class: Not classified
Packing Group: Not assigned
Transport Labels: None required
Environmental Hazards: None applicable
Special Transport Precautions: Use moisture-proof packaging, avoid contamination with acids
Bulk Transport: Not subject to ADR/IMDG/IATA regulations
US TSCA Inventory: Listed
Hazard Classification: Not hazardous under OSHA Hazard Communication Standard
REACH Registration: Registered
Canada WHMIS: Not controlled
California Proposition 65: Not listed
EU Risk Phrases: None assigned
EU Safety Phrases: None assigned
Other Regulation: Permitted as a food additive (CAS 500)
