Calcium carbonate CAS#471-34-1

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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Q1: Is Huafeng Chemical a manufacturer or a trader?
A: We are a professional service provider specializing in chemical foreign trade. Rather than being limited to the products of a single factory, we leverage the chemical industry cluster in Shandong Province to integrate production resources from multiple high-quality manufacturers. This allows us to offer a wide range of sourcing options—covering various product categories and origins—instead of simply pushing a single product. Furthermore, our core competitiveness lies in our professional foreign trade services (covering documentation, logistics, and regulatory compliance), ensuring a smooth and worry-free procurement process for you.


Q2: How is the security of my transaction guaranteed when working with Huafeng Chemical?
A: We strictly adhere to international trade rules (Incoterms® 2020) and accept various payment methods, such as Letters of Credit (L/C) and Telegraphic Transfers (T/T). For new clients, we support small-batch trial orders and can clearly define arbitration clauses and applicable laws within the contract. Additionally, we maintain a robust risk management system to help you mitigate common trade risks, such as exchange rate fluctuations, shipping delays, and document discrepancies.


Q3: Do you have experience serving clients in Russian-speaking regions?
A: Yes. We place great importance on the Russian-speaking market; our team includes Russian-speaking business professionals who are well-versed in the import regulations of Russia and the Eurasian Economic Union (EAEU). We understand the importance of EAC certification to clients in these regions and can assist with related compliance inquiries. We have established connections with chemical traders across various CIS countries and have gained valuable experience in specialized packaging and temperature-controlled shipping designed to withstand harsh local winter conditions.


Q4: How do you guarantee product quality?
A: We implement a strict supplier qualification and periodic audit system. A Certificate of Analysis (COA)—issued by the original manufacturer—is provided with every shipment. We also welcome pre-shipment inspections conducted by internationally recognized third-party agencies such as SGS, BV, or ITS. Should the test results fail to meet the standards specified in the contract, you have the right to reject the goods or request a replacement.

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