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  • Calcium carbonate CAS#471-34-1
  • Calcium carbonate CAS#471-34-1
  • Calcium carbonate CAS#471-34-1
  • Calcium carbonate CAS#471-34-1
  • Calcium carbonate CAS#471-34-1

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Calcium carbonate CAS#471-34-1

Calcium carbonate CAS#471-34-1

Basic Information

Versatile Natural Mineral Resource：Derived from limestone, marble, chalk, and coral, calcium carbonate is one of the most widely used raw materials in the chemical and building industries.


Essential Building Material Ingredient：Widely applied in the production of cement, mortar, plaster, refractories, and glass, supporting major construction applications.


High-Purity Precipitated Grades Available：Offered as both powdered and precipitated calcium carbonate, with precipitated types providing finer particles, higher purity, and uniform particle size.


Broad Industrial Applications：Used extensively in paper, textiles, paints, plastics, adhesives, sealants, and cosmetics for performance enhancement and quality improvement.


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product description

Products Description of Calcium carbonate CAS#471-34-1

Calcium carbonate, a natural mineral found in limestone, marble, chalk and coral, is a versatile industrial raw material. It is used in construction (cement, glass), calcium compound production, and as powdered/precipitated grades in paper, paints, plastics, adhesives and cosmetics.


Product Applications of Calcium carbonate CAS#471-34-1

Calcium carbonate (limestone) is the calcium salt of carbonic acid, available in various particle sizes. Nearly insoluble in water/alcohol (pH 9–9.5), it is used as an anti-caking agent, dough strengthener, calcium fortifier and antacid neutralizer, and is the primary raw material for lime production.


Product Information

Parameters


Melting point825 °C
Boiling point800 °C
bulk density300-1400kg/m3
density2.93 g/mL at 25 °C (lit.)
refractive index1.6583
storage temp.Store at +5°C to +30°C.
solubility5 M HCl: 0.1 M at 20 °C, clear, colorless
formrandom crystals
colorWhite-beige to slightly beige-gray
Specific Gravity2.93
OdorOdorless
PH9.91(1 mM solution);9.91(10 mM solution);9.91(100 mM solution);
PH Range8
Flame ColorRed-orange
Water SolubilityInsoluble
λmaxλ: 260 nm Amax: ≤0.09
λ: 280 nm Amax: ≤0.06
Merck141,657
Solubility Product Constant (Ksp)pKsp: 8.54
BRN8008338
Dielectric constant6.1（Ambient）
Exposure limitsNIOSH: TWA 10 mg/m3; TWA 5 mg/m3
Stability:Stable. Incompatible with acids, fluorine, ammonium salts, alum.
Cosmetics Ingredients FunctionsBULKING
BUFFERING
ABRASIVE
ORAL CARE
COLORANT
OPACIFYING
InChIKeyVTYYLEPIZMXCLO-UHFFFAOYSA-L
Modulus of Elasticity10.0 - 80.0 GPa
Hardness, Knoop75 - 120
Hardness, Mohs2.0 - 5.0
Hardness, Shore H10 - 60
Hardness, Vickers105 - 136
Drilling Hardness50
CAS DataBase Reference471-34-1(CAS DataBase Reference)
EPA Substance Registry SystemCalcium carbonate (471-34-1)


Safety Information


Hazard CodesXi
Risk Statements37/38-41-36/38-36
Safety Statements26-36/37/39-37/39-37
OEBB
OELTWA: 10 mg/m3 (total)
WGK Germany-
RTECSFF9335000
TSCAYes
HS Code28365000
Hazardous Substances Data471-34-1(Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 6450 mg/kg LD50 dermal Rat > 2000 mg/kg


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