Calcium Carbonate

Model:	CAS No471-34-1
Brand:	SHANGXIN
Origin:	Made In China
Category:	Chemicals / Inorganic Chemical Materials / Inorganic Salt
Label:	calcium carbonate , calcium carbonate li , ground calcium carbo
Price:	US $120 / TON
Min. Order:	20 TON

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Product Description

Calcium Carbonate
CAS No.: 471-34-1

EINECS No.:207-439-9

Min. Order: 20 Metric Tons

FOB Price: US $80-200 / Metric Ton
1. Other name: Limestone
2.Ground Calcium Carbonate
3.Purity:99%,97%
4.Certificate:SGS,ISO2001
5.Grade:nano/coated/ground Grade
6.Free Sample...
7.Classification: Carbonate
8.Whiteness:98.
9.have self export authority...

Calcium carbonate is a chemical compoundIt has high quality and competitive price. with the chemical formula Ca C O₃. It is a common substance found in rock in all parts of the world, and is the main component of shells of marine organisms,snails,pearls,and eggshells.Calcium carbonate is the active ingredient in agricultural line,and is usually the principal cause of hard water. It is commonly used medicinally as a calcium supplement or as an antacid, but excessive consumption can be hazardous.

Specific Informations:

Product name

Calcium carbonate

CAS No.

471-34-1

Molecular formula

CaCO3

Appearance

Fine white powder

Specifications

Because of impurities containing different colors are gray, dark gray, light yellow, brown or dignitaries, the density of 2.2 ~ 2.9g/cm3. Hard to dissolve in water. Slightly soluble in water containing carbon dioxide, generate acid-soluble calcium carbonate. Emit carbon dioxide dissolved in hydrochloric acid. When calcined lime and carbon dioxide production

Properties
Molecular formula	CaCO₃
Exact mass	100.0869 g/mol
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
Solubilityin water	0.00015 mol/L (25°C)
Solubility product, K_sp	4.8 × 10⁻⁹^[1]
Solubilityin dilute acids	Soluble
Acidity(pK_a)	9.0
Refractive index(n_D)	1.59
Structure
Crystal structure	Trigonal
Space group	32/m
Hazards
MSDS	ICSC 1193
Packing	25 kg in PP bag or woven bag

Use

Limestone is widely used in building materials, metallurgy, chemical industry, agriculture and other fields. Using the materials, having the right ash, cement manufacturing, glass, soda ash and precipitated calcium carbonate, etc..