All published prices are subject to confirmation at time of order.
BARIUM SULFATE, 99% pure, super fine, typically 0.7 microns, BaSO4
Barium sulfate appears as white or yellowish odorless powder or small crystals. Mp: 1580°C (with decomposition). Density: 4.25 -4.5 g cm-3. Insoluble in water, dilute acids, alcohol. Soluble in hot concentrated sulfuric acid. Used as a weighting mud in oil-drilling, in paints, paper coatings, linoleum, textiles, rubber. Administered internally ("barium cocktail") as a radio-opaque diagnostic aid.
0.0002 % at 64° F (NIOSH, 2016)
2912 °F at 760 mm Hg (Decomposes) (NIOSH, 2016)
2876 °F (NIOSH, 2016)
4.25 to 4.5 (NIOSH, 2016)