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Toxicity of Hexachloroethane Smoke

The toxicity of hexachloroethane smoke and its potential health and environmental risks.

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Jan 16, 2026
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Hexachloroethane (HC) smoke grenades used in operation metro surge

The available reporting shows documented use of hexachloroethane (HC)–type smoke grenades by federal forces during U.S. protest operations in 2020—most thoroughly documented in Portland—while official...

Jan 31, 2026
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What is the easiest way to make sodium or potassium cyanide from civilian-purchased products?

The reporting makes clear that are manufactured by —principally by reacting hydrogen cyanide with the corresponding alkali hydroxide or by high‑temperature processes that use carbon, ammonia, or cyani...