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Ph Level : 7 8 (neutral to slightly basic in solution)
Ingredients : Copper cyanide ion
HS Code : 2837.19
Properties : Crystalline solid highly toxic reacts with acids to release hydrogen cyanide gas
Smell : Other, Characteristic metallic or faint almondlike odor
Solubility : Slightly soluble in water more soluble in ammonia or alkali cyanide solutions
Ph Level : 4.0 (aqueous solution)
Ingredients : Copper (Cu), typically as Copper(II) Sulphate or similar compound
HS Code : 28255090
Properties : Fine crystalline, odorless, high solubility in water, stable under normal conditions
Smell : Other, Odorless
Solubility : Soluble in water, insoluble in alcohol
Ph Level : Neutral to slightly basic
Ingredients : Copper Rochelle salt components (sodium and tartaric acid molecules)
HS Code : 2835.39
Properties : Stable under normal conditions hygroscopic
Smell : Other, Odorless
Solubility : High solubility in water
Ph Level : Depends on the operational range typically alkaline solutions (e.g. pH 1012 when dissolved)
Ingredients : Contains zinc cyanide with additional formulation ingredients typical for plating salts
HS Code : 2838.00.50
Properties : Highly toxic interacts with acids to release hydrogen cyanide gas reactive under certain conditions
Smell : Other, Odorless or faint chemical smell
Solubility : Slightly soluble in water soluble in alkaline solutions