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Product Name: Potassium Bicarbonate
Chemical Formula: KHCO3
CAS Number: 298-14-6
Common Uses: Fire extinguishing agent, leavening agent in baking, pH buffer in agriculture, food additive, mild cleaning agent
Manufacturer Information: Refer to supplier documentation for name and emergency phone numbers
Recommended Restrictions: Food, pharmaceutical, and analytical use only under appropriate supervision
GHS Classification: Not classified as hazardous by OSHA Hazard Communication Standard (29 CFR 1910.1200)
Signal Word: None
Hazard Statements: Low toxicity; may cause mild respiratory, skin, or eye irritation on prolonged exposure
Precautionary Statements: Prevent dust formation, avoid inhalation or direct contact with eyes and skin, ensure proper workplace ventilation
Pictograms: No pictogram required
Other Hazards: Slippery surface when spilled; can contribute to mild irritation of mucous membranes
Chemical Name: Potassium Bicarbonate
Concentration: Typically 99-100% by weight
Synonyms: Monopotassium carbonate, potassium acid carbonate
Impurities/Additives: Trace levels of water, possible white inert dust particles depending on manufacturing source; check lot specification for any minor components
EC Number: 206-059-0
Molecular Weight: 100.12 g/mol
Inhalation: Remove exposed individual to fresh air, seek medical attention if any symptoms persist or breathing difficulty occurs; monitor for upper respiratory tract irritation
Skin Contact: Wash thoroughly with soap and water; seek medical advice if irritation develops or persists
Eye Contact: Flush with large amounts of clean running water for at least 15 minutes, lifting eyelids to ensure thorough rinsing; get medical help if irritation continues
Ingestion: Rinse mouth with water, drink several glasses of water, do not induce vomiting, seek prompt medical care especially if large amount ingested or any discomfort arises
Suitable Extinguishing Media: Potassium bicarbonate itself extinguishes fire and is widely used in fire extinguishers; compatible with water spray, foam, dry chemical, carbon dioxide
Hazardous Combustion Products: Potassium oxides, carbon dioxide
Special Fire-Fighting Procedures: Firefighters should wear full protective clothing and a self-contained breathing apparatus; cool containers with water jet to prevent pressure build-up
Explosion Hazards: Non-flammable, does not support combustion; avoid breathing dust released by fire suppression activities
Additional Information: In a fire, decomposition might generate irritant and toxic fumes containing potassium and carbon compounds
Personal Precautions: Use approved dust mask, rubber gloves, and goggles, ventilate affected area, avoid breathing dust, and restrict access to spill area
Environmental Precautions: Prevent entry into waterways, drains, and soil; notify responsible authorities in case of spillage leading to environmental contamination
Methods for Clean-Up: Sweep up without creating dust, collect with shovel or vacuum in labeled container for disposal; rinse spillage area with water to remove final traces
Disposal: Follow local regulations for disposal, avoid washing large quantities into drainage systems
Handling: Keep container tightly closed, avoid creating and inhaling dust, wash hands and face after handling, maintain good industrial hygiene, use in well-ventilated location
Storage: Store in cool, dry, and well-ventilated place away from acids and moisture; keep away from incompatible materials, use original containers or containers lined with compatible material, tightly sealed when not in use
Special Requirements: Segregate from acids and oxidizing agents; store in an area equipped to manage accidental spills; label containers clearly and ensure access for authorized personnel only
Engineering Controls: Local exhaust or process enclosure recommended in areas of high dust generation; provide eyewash stations and safety showers within immediate work area
Occupational Exposure Limits: No established OSHA or ACGIH limits; use of general dust exposure limit: 10 mg/m3 (total dust), 3 mg/m3 (respirable fraction)
Personal Protective Equipment: Safety glasses with side shields, chemical-resistant gloves, NIOSH-approved dust mask or respirator where dust cannot be controlled
Hygiene Measures: Change contaminated clothing, launder before reuse, avoid eating, drinking, or smoking in work areas
Monitoring Requirements: Consider air quality monitoring in enclosed processing environments
Appearance: White crystalline powder or granules
Odor: Odorless
Odor Threshold: Not applicable
pH (5% solution): Approximately 8.2
Melting Point / Freezing Point: Decomposes at 100-120°C (releases water and carbon dioxide); no standard melting point
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not flammable
Upper/Lower Explosive Limits: Not applicable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Solubility in Water: 22g/100ml at 20°C
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not applicable
Decomposition Temperature: Begins at 100°C
Viscosity: Not applicable
Density: 2.17 g/cm3 at 20°C
Chemical Stability: Stable under recommended storage and handling conditions; decomposes upon strong heating releasing carbon dioxide
Reactivity: Reacts with acids producing carbon dioxide gas; avoid contact with strong acids
Possibility of Hazardous Reactions: May react with strong acids to produce rapid effervescence; non-reactive with most other materials
Conditions to Avoid: Excess moisture, humidity, prolonged exposure to air leading to caking, high temperatures above decomposition point
Incompatible Materials: Acids (release of CO2), strong oxidizers
Hazardous Decomposition Products: Potassium oxide, carbon dioxide, potentially irritating potassium salt aerosols
Routes of Exposure: Inhalation, ingestion, eye and skin contact
Acute Toxicity: Low acute toxicity, oral LD50 (rat) > 2,000 mg/kg
Skin Corrosion/Irritation: Mild, transient irritation possible on repeated exposure
Serious Eye Damage/Irritation: Mild, reversible irritation possible
Respiratory or Skin Sensitization: Not a known sensitizer
Chronic Effects: Not reported when handled properly; excessive ingestion may disrupt electrolyte balance
Carcinogenicity: Not classified as carcinogen by IARC, NTP, OSHA
Mutagenicity/Teratogenicity: No known effects
Other Effects: Excessive ingestion can cause gastrointestinal discomfort, nausea, vomiting, or diarrhea
Ecotoxicity: Product not classified as hazardous to aquatic life; high concentrations in water bodies could cause shifts in pH and affect sensitive organisms
Persistence and Degradability: Readily dissociates in water to naturally occurring ions; does not bioaccumulate
Bioaccumulative Potential: Not likely to accumulate in living organisms
Mobility in Soil: Very mobile due to high solubility; moves rapidly through soil layers in the presence of surface or ground water
Other Adverse Effects: In large spills, may temporarily raise pH in freshwater, potentially impacting aquatic ecosystems
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations; small quantities can be diluted with plenty of water and flushed if permitted
Container Disposal: Rinse empty containers before recycling or disposal, prevent dust dispersal during disposal
Special Precautions: Avoid discharge into drains or natural waterways in concentrated form; consult local environmental authority for guidance on large quantities disposal
Landfill/Incineration: Landfill only when allowed, incineration not recommended due to non-combustible nature
UN Number: Not regulated as hazardous material
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Environmental Hazards: None identified under normal shipping conditions
Special Precautions for User: Protect containers during transport, prevent breakage and spills, label appropriately for content and destination
Other Information: Not classed as a marine pollutant, normal commercial good transport rules apply
OSHA Status: Not classified as hazardous
TSCA Inventory: Listed
SARA Title III Sections 302, 304, 311/312, 313: Not listed as reportable substance
CERCLA Threshold (RQ): Not listed
California Proposition 65: Not listed
REACH Status (EU): Registered, not listed as substance of very high concern (SVHC)
FDA/GRAS Status: Approved for use in food within prescribed limits
Labeling Requirements: Follow OSHA, GHS, and local labeling rules; include hazard statement regarding mild irritation
