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Hazard Predictions

• Corrosive: Reaction products may be corrosive
• Generates heat: Exothermic reaction at ambient temperatures (releases heat)
• Intense or explosive reaction: Reaction may be particularly intense, violent, or explosive
• Toxic: Reaction products may be toxic

Sulfonyl chloride violently decomposes in diethyl ether. This reaction is nearly instantaneous in the presence of a trace of hydrogen peroxide or when old stocks of ether are used, which are likely to contain trace peroxides. Chlorinated ether products were formed (Dunstan, I. et al. 1966. Chemistry and Industry 73).

Reactions between acyl halides and ethers are exothermic and may cause pressurization. Secondary and tertiary ethers are most likely to spontaneously react, particularly if catalyzed by a metal chloride. Esters and alkyl chlorides are produced, along with small quantities of alkenes and HCl. (Koenst, W.M.B. 1981. Journal of Hazardous Materials 4:291-298).

Potential Gas Byproducts

• Hydrogen Chloride (HCl)
• Hydrogen Fluoride (HF)
• Hydrogen Iodide (HI)
• Hydrogen Halide (HX)
• Acid Fumes
• Halogenated Organics