Barium sulfate 99.99% [7727-43-7]
Barium sulfate is obtained by milling barite or precipitating from solutions of other barium salts with sulfuric acid. It is mainly used as: paint (barium / barite white), contrast agent for X-rays of the gastrointestinal tract, filler for rubber and white plastics and paints called lithopones.
Odor: no smell
Odor threshold: not applicable
PH value: 6 – 10
Melting point: 1380 ° C
Temp. boiling point: 1580 ° C
Flash point: Non-flammable
Evaporation rate: no data available
Explosion limits: no data available
Vapor pressure: no data available
Vapor density: no data available
Density: 4.5 g / cm3 (20 ° C)
Bulk density: about 700 kg / m3
Water solubility: practically insoluble
Partition coefficient n-octanol / water (log): no data available
Auto-ignition temperature: no data available
Decomposition temperature: 1580 ° C
Labels for hazardous chemicals and mixtures that are part of the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The pictograms recommended by GHS have the shape of a square set on the top. They should contain a black symbol on a white background with a red border.
Priority rules to be observed in connection with the labeling of a substance:
– the skull and crossbones, the exclamation mark pictogram should not be added.
– corrosivity, the pictogram exclamation mark should not be added if it concerns eye or skin irritation.
– health hazard determining respiratory sensitization, the exclamation mark pictogram should not be added if it concerns skin sensitization or irritation to eyes or skin.
Source: GHS pictograms