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Product Name: Sodium Bicarbonate
Synonyms: Baking Soda, Bicarbonate of Soda, Sodium Hydrogen Carbonate
Chemical Formula: NaHCO₃
CAS Number: 144-55-8
Recommended Uses: Food additive, cleaning agent, fire extinguisher, pH buffer, personal care products, water treatment
Manufacturer Contact: Essential to keep on hand for emergencies, any professional supplier fills this standard need
Hazard Classification: Not classified as hazardous under GHS (Globally Harmonized System).
Primary Health Risks: Eye irritation, mild respiratory irritation if inhaled as powder, not considered a carcinogen.
Signal Word: None required.
Pictograms: No GHS symbol needed.
Precautionary Statements: Avoid excessive inhalation; prevent contact with eyes; do not ingest large quantities.
Potential Effects: Can cause slight discomfort if large amounts enter eyes, nose, or are ingested; possible stomach upset from ingestion.
Chemical Name: Sodium Bicarbonate
Concentration: 100%
CAS Number: 144-55-8
Impurities: None anticipated for standard grades used in food or cleaning; industrial grades may include trace impurities.
Other Ingredients: Not present, no known stabilizing additives.
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; lift upper and lower eyelids occasionally; seek medical attention if irritation persists.
Skin Contact: Remove any powder and rinse affected area with water; no lasting harm expected.
Inhalation: Move affected person to fresh air; rinse mouth and nasal passages with water; get medical assistance if symptoms like coughing persist.
Ingestion: Rinse mouth with water and drink several glasses of water to dilute; never induce vomiting unless directed by a healthcare professional; medical attention for excessive or symptomatic ingestion.
Most Important Symptoms: Irritation in respiratory tract or gastrointestinal discomfort for sensitive individuals.
Special Recommendations: No specific antidote; treat symptoms.
Flammability: Not flammable; does not support combustion and can act as a fire suppressant.
Suitable Extinguishing Media: Use method appropriate to surrounding fire; water, foam, dry chemical.
Unsuitable Media: No limitations as material is stable and not reactive to water or typical extinguishing agents.
Hazardous Combustion Products: None directly from material;
Special Procedures: Use standard personal protective equipment for chemical fires; Sodium bicarbonate may decompose at high temperatures (>150°C) to release carbon dioxide.
Personal Protection: Firefighters should wear self-contained breathing apparatus to avoid inhaling dust or thermal decomposition gases.
Personal Precautions: Avoid generating dust; ensure adequate ventilation; use protective gloves and eye protection if needed.
Environmental Precautions: Prevent material from entering surface water in large amounts; notify relevant authorities in case of large spills.
Containment: Sweep up material, collect in suitable container for disposal; avoid dry sweeping if risk of dusting; consider light water mist to suppress dust if appropriate.
Cleanup Methods: Use damp cloths or mops to minimize dust; wash area with water after bulk removal.
Additional Precautions: Standard housekeeping prevents buildup; do not allow dust to accumulate on surfaces.
Precautions for Safe Handling: Use in well-ventilated areas; avoid breathing dust; do not eat or drink while handling the product.
Advice on Safe Handling: Wear eye protection in case of bulk usage; wash hands after handling.
Conditions for Safe Storage: Keep container tightly closed; store in a cool, dry, ventilated location away from incompatible materials like strong acids.
Incompatibility: Avoid contact with acids, as release of CO₂ can cause pressure build-up; keep away from heat sources if storing larger quantities.
Bulk Storage Notes: Use moisture-tight packaging to prevent caking and degradation.
Storage Life: Stable under recommended conditions for extended periods; exposure to moisture shortens effectiveness.
Exposure Limits: No established occupational exposure limit for sodium bicarbonate.
Engineering Controls: Use natural or mechanical ventilation to keep dust levels low.
Personal Protection: Wear protective gloves and safety goggles during bulk transfer or where splashing may occur.
Respiratory Protection: Use a dust mask or respirator if airborne concentrations become high.
Hygiene Measures: Wash hands thoroughly after handling; do not touch eyes when handling powder form.
Workplace Practices: Keep work areas clean and free of residual powder.
Appearance: White, crystalline powder; fine, slightly gritty texture.
Odor: Odorless.
Odor Threshold: Not applicable.
pH (1% solution): 8.2 – 8.6
Melting Point: Decomposes above 50°C, releases CO₂ and water.
Boiling Point: Not applicable; decomposes before boiling.
Flash Point: Not flammable.
Evaporation Rate: Not applicable.
Solubility: Approximately 96 g/L in water at 20°C; insoluble in alcohol.
Vapor Pressure: Not applicable.
Relative Density: 2.2 g/cm³
Other Properties: Stable under normal conditions; susceptible to moisture.
Chemical Stability: Remains stable at room temperature and normal storage conditions.
Reactivity: Reacts with acids, releasing carbon dioxide gas; minor reactivity with heat above 50°C.
Hazardous Reactions: Contact with strong acids leads to vigorous bubbling from CO₂ formation.
Decomposition Products: Sodium carbonate, carbon dioxide, water vapor.
Conditions to Avoid: High humidity, exposure to strong acids, temperatures above 50°C for extended periods.
Incompatible Materials: Strong acids, certain aluminum alloys in water.
Routes of Exposure: Inhalation, ingestion, skin and eye contact.
Acute Effects: Mild irritation to eyes and respiratory tract; nausea or stomach upset with large ingestion.
Chronic Effects: Not associated with carcinogenic or mutagenic effects; not linked to reproductive toxicity; long-term skin contact may cause mild dryness.
LD50 (Oral, rat): 4220 mg/kg.
Symptoms: Coughing, sneezing, eye watering on dust exposure.
Medical Conditions Aggravated: Pre-existing respiratory disorders, sensitivity to dusts.
Aquatic Toxicity: Low toxicity to aquatic life; high concentrations may cause short-term pH increases in water bodies.
Persistence and Degradability: Readily dissociates; does not persist in the environment.
Bioaccumulation: Not expected to bioaccumulate in aquatic organisms.
Mobility in Soil: Highly mobile and disperses in water easily.
Other Adverse Effects: Large discharges to surface water can disrupt local pH balance temporarily; known to be used for environmental clean-ups.
Waste Handling: Small quantities can be disposed of in regular trash for non-industrial use; large amounts should follow local regulations.
Recycling: No feasible method for reuse after contamination.
Disposal Methods: Dissolve in water and pour into drain with plenty of water if approved by local authorities.
Precautions: Do not dispose of large quantities into surface waters; avoid dumping in areas where groundwater may be impacted.
Regulatory Requirements: Follow all municipal, regional, and national disposal guidelines.
UN Number: Not regulated.
Proper Shipping Name: Not classified as dangerous goods for transport.
Transport Hazard Class: None.
Packing Group: None.
Special Transport Precautions: Ship in sealed, moisture-proof packaging; no special containment needed outside moist environments.
ADR/RID/IMDG/IATA: Not subject to listed regulations.
Labeling Requirements: Not classified as hazardous; no specific GHS labeling required.
U.S. Regulations: Listed as Generally Recognized as Safe (GRAS) by FDA; not cited on TSCA 8(b); OSHA not listing as hazardous.
European Union: Not listed as a substance of very high concern (SVHC); accepted as food additive (E500).
Other Global Regulations: Meets purity and safety requirements in most countries; included on national inventories in Australia, Canada, Japan, and Korea.
Workplace Safety: Standard health and safety workplace training covers sodium bicarbonate precautions for exposure and cleanup.
