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Reactivity Documentation

Isocyanates and Isothiocyanates

mixed with

Nitrate and Nitrite Compounds, Inorganic

Summary

Details

Isocyanates and Isothiocyanates is a reactive group.

Reactivity Predictions (for each pair of reactive groups)

Isocyanates and Isothiocyanates mixed with
Nitrate and Nitrite Compounds, Inorganic

Hazard Predictions

The combination of isocyanates or thioisocyanates with inorganic nitrates may result in oxidation-reduction reactions. The reaction products (amines) or the isocyanates themselves may sensitize the nitrate salts to explosion (Personal communication with chemical industry experts). Caution should be used before proceeding. Further research of comparable examples in the literature or very small scale, carefully controlled experiments may be needed to fully assess compatibility.

In general, nitrate and nitrite salts with redox active cations are more reactive with organic materials and reducing agents at ambient conditions. Redox active cations are transition metals and the metals in group 3a, 4a, and 5a of the periodic table and also include the ammonium cation NH4+. In general, nitrate and nitrite salts with non-redox active cations (also called spectator cations) are less reactive at ambient conditions. These include the alkali metals and alkaline earth salts.