White crystals that occur in nature as the mineral Celestite. Strontium sulfate was used occasionally as a white artist pigment in England in the early 19th century. It was soon replaced by Barium sulfate. Currently strontium sulfate is used as a red colorant in pyrotechnics, ceramics, and Glass.
Synonyms and Related Terms
strontium white; strontium sulphate (Br.); sulfato de estroncio (Esp.); sulfate de strontium (Fr.); sulfato de estrôncio (Port.); celestite
Physical and Chemical Properties
Slightly soluble in concentrated acids and water. Insoluble in ethanol and dilute sulfuric acid.
|Melting Point||1605 C|
|Molecular Weight||mol. wt. = 183.68|
Resources and Citations
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9013
- Wikipedia: http://en.wikipedia.org/wiki/Strontium_sulfate (Accessed Nov. 9, 2005)