Product Name: Calcium Carbonate
Chemical Formula: CaCO3
Other Names: Limestone, Chalk, Calcite, Marble
Recommended Uses: Filler in plastics and paint, dietary supplement, antacid, construction material, agricultural lime
Supplier / Manufacturer: Various global chemical companies
Emergency Contact: Refer to local regulations or manufacturer
GHS Classification: Not classified as hazardous under GHS standards
Hazard Statements: Dust may cause slight respiratory irritation, eye irritation
Pictogram: No pictogram required
Precautionary Statements: Avoid breathing dust, wear protection for eyes and respiratory system in dusty environment
Signal Word: None
Other Hazards: May aggravate pre-existing respiratory conditions from prolonged or repeated exposure to dust
Chemical Identity: Calcium Carbonate
CAS Number: 471-34-1
EC Number: 207-439-9
Concentration: Over 98% (typical)
Impurities: Can include trace amounts of magnesium carbonate, silica, iron oxide depending on source
Inhalation: Move person to fresh air, provide oxygen if breathing is difficult
Skin Contact: Wash thoroughly with water and soap
Eye Contact: Rinse eyes gently with clean water for several minutes, remove contact lenses if present
Ingestion: Rinse mouth, no health hazard under normal use, seek medical advice if discomfort persists
Symptoms: Potential for mild irritation of respiratory tract or eyes, coughing, sneezing
Flammability: Non-combustible, will not burn
Suitable Extinguishing Media: Use water spray, foam, dry chemical, or CO2 for surrounding fire
Protective Equipment: Use standard fire-fighting gear
Special Hazards: Decomposition at temperatures above 800°C releases carbon dioxide
Advice for Firefighters: Stay upwind, avoid breathing dust or vapors generated by heating
Personal Precautions: Avoid generating airborne dust, wear respiratory protection if dust level is high
Environmental Precautions: Prevent contamination of waterways by large quantities
Methods for Clean-Up: Sweep up and place in suitable disposing container, minimize dust, wash down residue with water
Advice for Emergency Responders: Use standard personal protective equipment for dusty environments
Handling: Minimize creation of dust, handle in well-ventilated area, avoid contact with eyes
Storage: Store in dry, covered, cool, well-ventilated space, keep container tightly closed
Incompatible Materials: Avoid storage with strong acids, which react to release carbon dioxide
Hygiene: Wash hands after use, do not eat, drink, or smoke while working
Occupational Exposure Limits: OSHA PEL (Total Dust): 15 mg/m3, ACGIH TLV (Inhalable): 10 mg/m3
Engineering Controls: Use local exhaust or general ventilation to control dust levels
Eye Protection: Safety goggles or face shield in dusty areas
Skin Protection: Protective gloves for those with sensitive skin
Respiratory Protection: NIOSH-approved dust mask or respirator in case of elevated dust
Other Protective Measures: Protective clothing to prevent skin contact in bulk processing
Appearance: White powder or crystalline solid
Odor: Odorless
pH (suspension in water): 8.0–9.0
Melting Point / Decomposition Point: Decomposes above 800°C
Boiling Point: Not applicable
Solubility in Water: Slightly soluble (0.0013 g/100 mL at 25°C)
Vapor Pressure: Not applicable
Density: 2.7 g/cm3
Chemical Stability: Stable under normal conditions
Conditions to Avoid: Moisture may cause caking, strong acids decompose material
Hazardous Reactions: Contact with acids releases carbon dioxide gas
Hazardous Decomposition Products: Carbon dioxide
Polymerization: Will not occur
Acute Effects: Low toxicity, dust may irritate eyes, nose, throat
Chronic Effects: Repeated inhalation of dust can cause respiratory tract irritation
Ingestion: Non-toxic if swallowed in reasonable quantities, excessively high intake may upset stomach
Skin and Eye Contact: May cause mild irritation
Carcinogenicity: Not listed as carcinogen by OSHA, IARC, NTP
Other Data: Calcium carbonate is a common food additive, used in antacids, generally recognized as safe (GRAS) for food use
Environmental Fate: Naturally occurring mineral, not expected to harm environment
Aquatic Toxicity: No known acute or chronic toxicity to aquatic life, but local pH changes possible in water
Persistence and Degradability: Inorganic, persists indefinitely
Bioaccumulation: Will not bioaccumulate
Mobility in Soil: Relatively immobile, binds to soil particles
Waste Disposal: Dispose in accordance with local, regional, and national regulations
Unused Material: Reuse or recycle if possible, landfill as inert waste if not
Packaging: Clean packaging for recycling or landfilling
Contaminated Packaging: Handle as per material itself
UN Number: Not regulated as a dangerous good
Proper Shipping Name: Calcium Carbonate
Transport Hazard Class: Not classified as hazardous
Packing Group: Not applicable
Environmental Hazards: Not environmentally hazardous for transport
Special Precautions: Protect packaging from moisture and dust loss during transit
OSHA Status: Not considered hazardous chemical
TSCA: Listed
DSL/NDSL: Listed on Canada DSL
EU Regulations: REACH registered
Labeling According to EU: No specific labeling required
Other Regulations: Calcium carbonate has GRAS status in US for food use, widely accepted for agriculture and construction worldwide