POTASSIUM CYANIDE

POTASSIUM CYANIDE Property

mp : 634 °C(lit.) bp : 1625 °C density : 1.00 g/mL at 20 °C Fp : 1625°C storage temp. : Poison room solubility : H2O: 1 M at 20 °C, clear, colorless Sensitive : Hygroscopic Merck : 14,7626 BRN : 4652394 Stability:: Stable. Incompatible with a variety of materials, including acids, iodine, peroxides, permanganates, alkaloids, chloral hydrate, metallic salts. Light and moisture sensitive. Contact with acid generates extremely toxic HCN gas. CAS DataBase Reference: 151-50-8(CAS DataBase Reference)

Safety

Hazard Codes : T+,N Risk Statements : 26/27/28-32-50/53 Safety Statements : 7-28-29-45-60-61 RIDADR : UN 1680 6.1/PG 1 WGK Germany : 3 RTECS : TS8750000 F : 3-8-10-23 HazardClass : 6.1 PackingGroup : I

POTASSIUM CYANIDE Chemical Properties,Usage,Production

Chemical Properties white granular powder or crystals General Description White amorphous lumps or a crystalline mass with a faint odor of bitter almonds. Density 1.52 g / cm3 Toxic by skin absorption through open wounds, by ingestion. Heating to decomposition produces toxic fumes. Used for gold and silver extraction, in chemical analysis, to make other chemicals, and as an insecticide. Air & Water Reactions Deliquescent. Soluble in water. Dissolution releases some poisonous hydrogen cyanide gas. The amount is not hazardous except in an enclosed space. If the water is acidic, dangerous amounts of hydrogen cyanide form at once. Reactivity Profile POTASSIUM CYANIDE is a basic salt and a reducing agent. Reacts with acids of all kinds to generate poisonous hydrogen cyanide gas. Can react violently with oxidizing agents: fusion with metal chlorates, perchlorates, nitrates, or nitrites can cause explosions [Bretherick 1979. p. 101]. A mixture with perchloryl fluoride may explode above 100°C. A mixture with nitrite salts may cause an explosion [Pieters 1957. p. 30]. Incompatible with iodine. Initiates the explosive decomposition of nitrogen trichloride. Health Hazard POTASSIUM CYANIDE is classified as super toxic. Probable oral lethal dose in humans is less than 5 mg/kg or less than a taste (7 drops) for a 150 lb. person. It is an eye and skin irritant. Poisonous in very small quantities; a taste is lethal. Fire Hazard Contact with acid releases highly flammable hydrogen cyanide gas. Moisture may cause POTASSIUM CYANIDE to volatilize as hydrogen cyanide. When heated to decomposition, POTASSIUM CYANIDE emits very toxic fumes of cyanide and nitrogen oxides. Reacts with acids to produce hydrogen cyanide gas. Reacts with strong oxidizers such as nitrates and chlorates, nitrogen trichloride; perchloryl fluoride; sodium nitrate; acids; alkaloids; chloral hydrate; iodine. Avoid contact with acids.

POTASSIUM CYANIDE Preparation Products And Raw materials

Raw materials Potassium hydroxide solution HYDROGEN CYANIDE

Preparation Products POTASSIUM DICYANOAURATE(I) 2,2'-Furoin (S)-MEPHENYTOIN 7-METHYLADENINE 1H-INDAZOLE-5-CARBONITRILE 2-AMINO-2-METHYL-PROPIONITRILE Dichloroacetamide Molsidomine Furil 3-Cyanoquinoline 1-Isoquinolinecarbonitrile 1-CYANO-2-BENZOYL-1,2-DIHYDROISOQUINOLINE 2-METHYLBENZOYL CYANIDE 4-(N-CYANOMETHYL-N-NITROSO)AMINOMORPHOLINE 2-NAPHTHALEN-1-YL-ETHYLAMINE 4-FLUORO-2-NITROBENZONITRILE DL-Benzoin QUINOLINE-2-CARBONITRILE 4-CHLORO-PYRIDINE-2-CARBONITRILE 2-AMINOPROPANENITRILE CYCLOLEUCINOL 1-Methyl-4-nitro-1H-imidazole-5-carbonitrile Boc-L-beta-Homoproline DL-Valine 3-Morpholinosydnonimine hydrochloride Succinonitrile 2-(1,5-Dimethyl-1H-pyrazol-3-yl)acetonitrile ,97% 2-METHYLGLUTARIC ACID Silver cyanide Potassium dicyanoaurate PYRIDINE-2,4-DICARBONITRILE THALLIUM Quinaldic acid 2-AMINO-3-METHYLBUTANENITRILE 5-(AMINOMETHYL)-5-METHYLPYRROLIDIN-2-ONE 3-Methoxy-2-methylbenzoic acid 2-CYANO-4-METHYLPYRIDINE 5-AMINO-PYRIMIDINE-2-CARBOXYLIC ACID 2-(4-BIPHENYL)ETHYLAMINE Ethyl 2,3-dicyanopropionate

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