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Malononitrile C3H2N2 CAS:109-77-3 - High-Quality Organic Compound from China Suppliers and Factory
Malononitrile, also known as dicyanomethane or cyanoacetonitrile, is a versatile chemical intermediate characterized as a colorless solid at temperatures below 25℃.
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Physical Properties
Boiling point: 220℃ | Flash point: 112℃ | Specific gravity (D434.2): 1.0488.
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Solubility Profile
Readily soluble in water, benzene, and alcohol. Insoluble in cold water, carbon tetrachloride, petroleum ether, and xylene.
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Chemical Reactivity
Features two cyano groups and one active methylene group. High reactivity for addition reactions and polymerization.
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Safety Profile
Toxic (LD50 rats: 12.9 mg/kg), corrosive, and explosive. Can cause central nervous system disorders.
Frequently Asked Questions
What are the alternative names for Malononitrile?
Malononitrile is commonly referred to as dicyanomethane or cyanoacetonitrile.
What is the physical state of Malononitrile?
It is a colorless solid at temperatures below 25℃, with a boiling point of 220℃ and a flash point of 112℃.
In which solvents is Malononitrile soluble?
It is readily soluble in water and organic solvents like benzene and alcohol, but remains insoluble in cold water, carbon tetrachloride, petroleum ether, and xylene.
Why is Malononitrile considered highly reactive?
Its high reactivity is due to the presence of two cyano groups and one active methylene group, allowing it to undergo addition reactions and polymerization easily.
What are the primary health hazards of Malononitrile?
It is highly toxic, with an LD50 of 12.9 mg/kg in rats. It is corrosive, explosive, and can cause significant central nervous system disorders upon exposure.