MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Laboratory jar of the chemical barium chloride (BaCl2), with the solid on a watch glass and an aqueous solution in a beaker. This chemical is an ionic solid, which is why it dissolves in water. In the laboratory, it is used as a test for the sulphate ion. The current UN Globally Harmonized System of Classification and Labelling of Chemicals (GHS) label indicates that this chemical is acutely toxic (GHS06). As well as the symbol there is a signal word and suppliers provide numbered statements (H301 H332) that it is fatal in contact with skin and harmful if inhaled.
Model release not required. Property release not required.