Table of contents:
The Molecular formula of Calcium carbonate(471-34-1): CaCO3
The Molar mass of Calcium carbonate(471-34-1): 100.087 g/mol
The Molecular Structure:
Appearance: Fine white powder.
Density: 2.71 g/cm3 (calcite);2.83 g/cm3 (aragonite)
Melting point: 825 °C (calcite);1339 °C (aragonite)
Boiling point: decomposes
Solubility in water: 0.00015 mol/L (25°C)
Solubility product, Ksp: 4.8 × 10-9
Solubility in dilute acids: soluble
Other names: Limestone; calcite; aragonite; chalk; marble
Calcium carbonate (471-34-1) is a chemical compound, which is a common substance found in rock in all parts of the world, and is the main component of shells of marine organisms, pearls, snails, and eggshells.
RTECS : FF9335000
Skin:Calcium carbonate Causes skin irritation. Chronic ingestion may cause hypercalcemia, alkalosis, and kidney damage. May also produce milk-alkali syndrome characterized by neurological symptoms such as irritability, lethargy, stupor, and coma.
Eyes:Calcium carbonate may cause eye irritation.
IngestionIngestion of large amounts may cause gastrointestinal irritation. Expected to be a low ingestion hazard.
Inhalation:Low hazard for usual industrial handling. Excessive inhalation may cause minor respiratory irritation.
First Aid Measures :
Ingestion:Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid.
Inhalation:Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Skin:Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.
Eyes:Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Storage:Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from strong acids.
Handling:Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
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Personal Protection:
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin.
Fire Fighting:
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Non-combustible, substance itself does not burn but may decompose upon heating to produce irritating, corrosive and/or toxic fumes. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.
