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7727-43-7 - Barium sulfate, Puratronic®, 99.998% (metals basis) - 10651 - Alfa Aesar

10651 Barium sulfate, Puratronic®, 99.998% (metals basis)

Codice CAS
7727-43-7
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
5g 31,93
25g 118,45
100g 412,00
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Barium sulfate, Puratronic®, 99.998% (metals basis)

MDL
MFCD00003455
EINECS
231-784-4

Proprietà chimiche

Formula
BaO4S
Peso formula
233.40
Modulo
Powder
Punto di fusione
1580° dec.
Densità
4.5
Solubilità
Insoluble in water; soluble in hot concentrated sulphuric acid.

Applicazioni

Barium sulfate has wide range of applications. It is primarily used in oil well drilling fluid, and as filler in the paint and varnish industry. It is one of the major constituents of the pigment Lithiopone and the white pigment for paints. It improves the resistance against acid and acidity for plastics when employed as filler. Further it is employed as a component in strobe pyrotechnic compositions, & as a coating for photographic papers to improve the effectiveness of the image. Baryta, a thin layer of barium sulfate, is used to make the papers bright for ink-jet printing. In the chemical and pharmaceutical industry, it is used as a catalyst support when selective hydrogenations are required, for e.g. in Rosenmund reduction (Pd on barium sulfate). In colorimetry, barium sulfate is used as a diffuser to measure light sources. In the medical field, barium sulfate suspension is used clinically as a radiocontrast agent for X-ray imaging and other diagnostic procedures. In biomaterials research, it is one of the components utilized in the preparation of acrylic bone cements.

Note

Stable compound.

Letteratura

Gillani, R.; Ercan, B.; Qiao, A.; Webster, T. J. Nanofunctionalized Zirconia and Barium Sulfate Particles as Bone Cement Additives. Int. J. Nanomedicine 2010, 5, 1-11.

Hennessy, A. J. B.; Graham, G. M. The Effect of Additives on the Co-crystallization of Calcium with Barium Sulphate. J. Cryst. Growth 2002, 237-239, 2153-2159.

Jones, F.; Jones, P.; Ogdena, M. I.; Richmond, W. R.; Rohl, A. L.; Saunders, M. The Interaction of EDTA with Barium Sulfate. J. Colloid. Interf. Sci. 2007, 316, 553-561.

Altri riferimenti

Merck
14,994
Codice tariffe armonizzato
2833.27
TSCA
Yes
RTECS
CR0600000

Raccomandato

  • 10679

    Calcium carbonate, Puratronic®, 99.99% (metals basis)
  • 10805

    Manganese(IV) oxide, Puratronic®, 99.996% (metals basis)
  • 10861

    Sodium carbonate, anhydrous, Puratronic®, 99.997% (metals basis)
  • 11837

    Molybdenum(VI) oxide, 99.95% (metals basis)
  • 12870

    Strontium sulfate, Puratronic®, 99.9965% (metals basis)

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