Zouping Changshan Zefeng Fertilizer Co., Ltd.

Barium Sulfate, Barium Sulphate, Baso4 manufacturer / supplier in China, offering Barium Sulfate (7727-43-7) Industry Grade for Pigment, Sodium Sulfide 30ppm CAS: 1313-82-2, Oxalic Acid 99.6% Min and so on.

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Barium Sulfate (7727-43-7) Industry Grade for Pigment

FOB Price:US $208 - 396 / Ton
Min. Order (Tons) FOB Price
20+ US $208-396 / Ton
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Min. Order: 20 Tons
Production Capacity: 2000 Tons Per Month
Transport Package: 25kgs/Woven Bag with Inner or as The Buyer Request
Payment Terms: L/C, T/T, Western Union, Money Gram, T/T with L/C

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Basic Info.

Model NO.:CAS No.: 7727-43-7
Type:Barium Sulphate
Product Name:Barium Sulfate
CAS No.:7727-43-7
Molecular Formula:Baso4
Hs:2833270000
Grade Standard:Industrial Grade
Trademark:SHANGXIN
Specification:CAS No.: 7727-43-7
Origin:China (Mainland)
HS Code:2833270000

Product Description

Barium sulfate
CAS No.: 7727-43-7
EINECS No.: 231-784-4

Barium sulfate is the inorganic compound with the chemical formula BaSO4. It is a white crystalline solid that is odorless and insoluble in water. It occurs as the mineral barite, which is the main commercial source of barium and materials prepared from it. The white opaque appearance and its high density are exploited in its main applications.

Uses
1) Drilling fluids
About 80% of the world's barium sulfate production, mostly purified mineral, is consumed as a component of oil well drilling fluid. It increases the density of the fluid.
2) Pigment
The majority of synthetic barium sulfate is used as a component of white pigment for paints. In oil paint, barium sulfate is almost transparent, and is used as a filler or to modify consistency. One major manufacturer of artists' oil paint sells "permanent white" that contains a mixture of titanium white pigment (TiO2) and barium sulfate. The combination of barium sulfate and zinc sulfide (ZnS) is the inorganic pigment called lithopone. In photography it is used as a coating for certain photographic papers.

3) Radiocontrast agent
Barium sulfate is frequently used clinically as a radiocontrast agent for X-ray imaging and other diagnostic procedures. It is most often used in imaging of the GI tract during what is colloquially known as a 'barium meal'.
4) Niche uses
Barium sulfate is also used during the procedure of the soil pH test. In this test it is used so that it precipitates out any particles (usually clay particles) that would otherwise 'cloud' solution preventing one from seeing the colour of the pH indicator i. e. The result of the test. It is also used in Episal salt, brake linings, anacoustic foams, powder coatings, and root canal filling.

5) Catalyst support
Barium sulfate is a low surface area material used as a support for selectively hydrogenating functional groups sensitive to overreduction. With a low surface area, the contact time of the substrate with the catalyst is shorter.
6) Pyrotechnics
As barium compounds emit a green light when burned, barium salts are often used in green pyrotechnic formulas, but the nitrate and chlorate salts are more common. Barium sulfate is commonly used as a component of "strobe" pyrotechnic compositions.

7) Copper Industry
As barium sulfate has high burning point and is insoluble in water, it is used as a coating material in casting of copper anode plates.
Barium  sulfate
Identifiers
CAS  number 7727-43-7   
PubChem 24414
ChemSpider 22823   
UNII 25BB7EKE2E   
RTECS  number CR060000
ATC  code V08 BA01
Properties
Molecular  formula BaSO4
Molar  mass 233.43  g/mol
Appearance white  crystalline
Odor odorless
Density 4.5  g/cm3
Melting  point 1345  ° C
Boiling  point 1600  ° C  (decomp)
Solubility   in  water 0.0002448  g/100  mL  (20  ° C)
0.000285  g/100  mL  (30  ° C)
Solubility  product,   Ksp 1.0842  ×   10-10  (25  ° C)
Solubility insoluble  in  alcohol,   soluble  in  concentrated  sulfuric  acid
Refractive  index   (nD) 1.64
Thermochemistry
Std  enthalpy  of
formation   Δ fHo298
− 1465  kJ· mol− 1
Standard  molar
entropy   So298
132  J· mol− 1· K− 1
Pharmacology
Bioavailability negligible  orally
Hazards
EU  classification not  listed
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