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Hazard Predictions

• Flammable: Reaction products may be flammable
• Generates gas: Reaction liberates gaseous products and may cause pressurization
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive
• Toxic: Reaction products may be toxic

Many inorganic sulfides ignite on contact with fluorine (Mellor, J.W. 1940. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 2, p. 11, 13. Longmans, Green and Co Ltd.; Volume 6. pp. 110; 1938. Volume 9. pp. 522; 1947. Volume 10. pp. 133; 1943. Volume 11. pp. 430; Moissan, H., Le Fluor et ses Composes, Paris, Steinheil, 1900, pp. 231-232) or chlorine (Mellor. 1940. Volume 4. pp. 952; 1946. Volume 6. pp. 144; 1939. Volume 9. pp. 270).

PbS reacts violently with ICl (Lewis, R.J., Sr. 1992. Sax's Dangerous Properties of Industrial Materials, 8th Edition. New York: Van Nostrand Reinhold. pp. 2105).

Na2S reacts exothermically with tungsten hexachloride and other metal chlorides (Kaner, R.B. 1991. Nature 349, 510).

H2S may react explosively with BrF5 (Mellor, J.W. 1956. Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. 2, Supp. 1, p. 172. Longmans, Green and Co Ltd.), ClF3 (Mellor. 1956. Volume 2, Supplemental 1. pp. 157), Cl2O (Mellor. 1941. Volume 2. pp. 241-242; 1946. Volume 5. pp. 824), or F2O (Streng, A.G. 1963. Chemical Reviews 63:612).

Potential Gas Byproducts

• Hydrogen Sulfide (H2S)