Barium sulfate: Difference between revisions

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Barium sulfate is a radiographic contrast agent that is supplied as white to lightly colored powder for suspension (40% w/w) for oral administration. It has a molecular weight of 233.4 g/mol and a density of 4.5 g/cm3. Formulations contain excipients including: artificial candied sugar flavor, carrageenan, citric acid, ethyl vanillin, natural and artificial orange flavor, polysorbate 80, saccharin sodium, simethicone, sodium citrate, sodium carboxymethylcellulose, sorbitol and xanthan gum.
Barium sulfate is a radiographic contrast agent that is supplied as white to lightly colored powder for suspension (40% w/w) for oral administration. Formulations can contain excipients including: artificial candied sugar flavor, carrageenan, citric acid, ethyl vanillin, natural and artificial orange flavor, polysorbate 80, saccharin sodium, simethicone, sodium citrate, sodium carboxymethylcellulose, sorbitol and xanthan gum.
==Uses==
==Uses==
===Primary===
===Primary===

Latest revision as of 00:57, 28 June 2019

 
Barium sulfate
Chemical formula BaSO4
Molar Mass(g/mol) 233.43 
Density(g/cc) 4.3 
Melting Point(°C) 1345 
Boiling Point(°C) 1600 
Solubility in water(g/L) .0024
NFPA 704
NFPA704.png
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Barium sulfate is a radiographic contrast agent that is supplied as white to lightly colored powder for suspension (40% w/w) for oral administration. Formulations can contain excipients including: artificial candied sugar flavor, carrageenan, citric acid, ethyl vanillin, natural and artificial orange flavor, polysorbate 80, saccharin sodium, simethicone, sodium citrate, sodium carboxymethylcellulose, sorbitol and xanthan gum.

Uses

Primary

  • WHO LEM radiocontrast agent

Other

  • Precursor to barium sulfide, thence to all barium salts

Natural occurrence

  • The mineral barite is primarily barium sulfate

Hazards

  • GRAS

Production

Extraction

Synthesis

  • A metathesis reaction between barium sulfide and sodium or potassium sulfate in water
    BaS(aq) + Na2SO4(aq) BaSO4(s) + Na2S(aq)

Testing

Purification

Storage

Disposal

See Also

References