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High Purity Barium Carbonate Powder 99.2% Purity 4.286 G/Cm3 Density

High Purity Barium Carbonate Powder 99.2% Purity 4.286 G/Cm3 Density

barium carbonate msds


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Product Details
Supply Industry Grade High Purity Barium Carbonate 99.2%
Other Name:
Molecular Formula:
CAS Number:
HS Code:
Molecualr Weight:
197.34 G/mol
White Crystals
4.286 G/cm3
Melting Point:
811 °C (1,492 °F; 1,084 K)
Boiling Point:
1,450 °C (2,640 °F; 1,720 K) Decomposes
Solubility In Water:
24 Mg/L (20 °C)
Product Description

Supply industry grade high purity Barium Carbonate 99.2%

Barium carbonate (BaCO3), also known as witherite, is a chemical compound used


in rat poison, bricks, ceramic glazes and cement.


Witherite crystallizes in the orthorhombic system. The crystals are invariably


twinned together in groups of three, giving rise to pseudo-hexagonal forms


somewhat resembling bipyramidal crystals of quartz, the faces are usually rough


and striated horizontally. It transforms into an hexagonal phase at 1084 K that


changes into a cubic phase at 1254 K




High Purity Barium Carbonate Powder 99.2% Purity 4.286 G/Cm3 Density 0




The mineral is named after William Withering, who in 1784 recognized it to be


chemically distinct from barytes. It occurs in veins of lead ore at Hexham in


Northumberland, Alston in Cumbria, Anglezarke, near Chorley in Lancashire and a


few other localities. Witherite is readily altered to barium sulfate by the action of


water containing calcium sulfate in solution and crystals are therefore frequently


encrusted with barytes. It is the chief source of barium salts and is mined in


considerable amounts in Northumberland. It is used for the preparation of rat


poison, in the manufacture of glass and porcelain, and formerly for refining sugar. It


is also used for controlling the chromate to sulfate ratio in chromium electroplating




Specifications Item Specification for Fine Grade Specification for First Grade Specification for Regular Grade
Purity(BaCO3) ≥99.2% ≥99% ≥98.5%
Moisture ≤0.3% ≤0.3% ≤0.3%
SO4 ≤0.25% ≤0.35% ≤0.45%
Iron(Fe) ≤0.004% ≤0.004% ≤0.008%
HCL insoluble Matter ≤0.15% ≤0.25% ≤0.50%
Bulk Density(powder) Light Powder 0.40 g/cm3 Dense Powder 1-1.2 g/cm3
Particlle Size(Granule)

850micron:≦1% 150micron :≧75%



Barium carbonate is widely used in the ceramics industry as an ingredient in


glazes. It acts as a flux, a matting and crystallizing agent and combines with certain


colouring oxides to produce unique colours not easily attainable by other means. Its


use is somewhat controversial since some claim that it can leach from glazes into


food and drink. To provide a safe means of use, BaO is often used in fritted form.


In the brick, tile, earthenware and pottery industries barium carbonate is added to


clays to precipitate soluble salts (calcium sulfate and magnesium sulfate) that


cause efflorescence.

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