CYANOGEN

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Products Intro: Product Name:CYANOGEN
CAS:460-19-5
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Products Intro:CAS:460-19-5
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Products Intro:Product Name:CYANOGEN
CAS:460-19-5
Purity:>98% HPLC Package:100g;500g;1kg;10kg
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CYANOGEN Basic information
Uses Preparation Hazard
Product Name:CYANOGEN
Synonyms:OXALONITRILE;CYANOGEN;dicyan;cyanogene;dicyanogene;oxalonitrile cyanogen;Carbon nitride (C2N2);Cyanogen (C2N2)
CAS:460-19-5
MF:CN *
MW:26.0174
EINECS:207-306-5
Product Categories:Organics
Mol File:460-19-5.mol
CYANOGEN Structure
CYANOGEN Chemical Properties
Melting point -27.9° (also reported as -34.4°)
Boiling point bp -21.17°
density d4-21.17 0.9537
refractive index 1.3780 (estimate)
form colorless gas
Safety Information
Hazard Codes F,T,N
Risk Statements 11-23-50/53
Safety Statements 23-45-60-61
RIDADR 1026
HazardClass 2.3
MSDS Information
CYANOGEN Usage And Synthesis
UsesCyanogen has limited applications, the most important of which are in organic synthesis. Also, it is used in welding metals; as a fumigant; and in some rocket propellants.
PreparationCyanogen is prepared by the slow addition of potassium cyanide solution to a solution of copper(II) salt, such as copper(II) sulfate or chloride:
2Cu2+ + 4CN¯ → 2CuCN + (CN)2
Cyanogen also may be prepared by the reaction of mercuric cyanide with mercuric chloride. Dry cyanogen gas may be obtained by this process:
Hg(CN)2 + HgCl2 → Hg2Cl2 + (CN)2
yanogen may be prepared by oxidation of hydrogen cyanide with oxygen, nitrogen dioxide, chlorine, or another suitable oxidizing agent, using various catalysts:
4HCN + O2 → 2(CN)2 + H2O
2HCN + NO2 →(CN)2 + NO + H2O
2HCN + Cl2 →(CN)2 + 2HCl
HazardCyanogen is a highly flammable gas. It forms explosive mixtures with air, LEL 6.6%, UEL 32% by volume. Reactions with oxygen, ozone, fluorine or other strong oxidizing agents can be explosive. Also, it can explode when exposed to spark, flame or heat.
Cyanogen is moderately toxic by inhalation. Exposure causes irritation of the eyes, nose and respiratory tract. A 10-minute exposure to about 10 ppm of the gas can manifest these irritant action in humans.
LC50 (rat): 350 ppm in 1 hour.
DefinitionChEBI: A dinitrile that is ethane substituted by two cyano groups.
General DescriptionA colorless gas with an odor of almonds. Freezes at -28°C and boils at -20.7°C. Shipped as a liquid confined under its vapor pressure. The gas is heavier than air and a flame can travel back to the source of leak very easily. Prolonged exposure to fire or intense heat may cause the containers to violently rupture and rocket. Used to make other chemicals, as a fumigant, and as a rocket propellant.
Air & Water ReactionsHighly flammable. Soluble in water and slowly decomposed by water to oxalic acid and ammonia.
Reactivity ProfileColorless, flammable, highly toxic gas. CYANOGEN can react explosively with strong oxidants (dichlorine oxide, fluorene, oxygen, ozone). When heated to decomposition or on contact with acids, acid fumes, water or steam CYANOGEN will react to produce deadly hydrogen cyanide gas and oxides of nitrogen [Sax, 9th ed., 1996, p. 945].
Health HazardVapor irritates eyes and causes giddiness, headache, fatigue, and nausea if inhaled.
CYANOGEN Preparation Products And Raw materials
Tag:CYANOGEN(460-19-5) Related Product Information
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