calcium cyanamide

calcium cyanamide
a gray-black, often lumpy powder, CaCN2, unstable in water, obtained by heating calcium carbide and nitrogen; cyanamide: used chiefly as a fertilizer, herbicide, and intermediate in the synthesis of nitrogen compounds.
[1905-10]

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Universalium. 2010.

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  • Calcium cyanamide — IUPAC name Calcium cyanamide …   Wikipedia

  • calcium cyanamide — n. a white, crystalline compound, CaCN2, used as a fertilizer, weed killer, etc …   English World dictionary

  • calcium cyanamide — noun also calcium cyanamid : a compound CaCN2 obtained in impure cokelike form by passing dry nitrogen over calcium carbide at about 1100° C and used chiefly as a fertilizer, as a weed killer, in the defoliation of crops (as cotton), and as a… …   Useful english dictionary

  • calcium cyanamide — a compound, CaCN2, which inhibits one or more of the enzymes required for oxidation of acetaldehyde formed from alcohol; used as a fertilizer, defoliant, herbicide, and pesticide. Drinking of alcohol after inhalation or ingestion of calcium… …   Medical dictionary

  • calcium cyanamide — kalcio cianamidas statusas T sritis chemija apibrėžtis Kalcio azoto trąša. formulė CaCN₂ atitikmenys: angl. calcium cyanamide; nitrolim; nitrolime rus. цианамид кальция …   Chemijos terminų aiškinamasis žodynas

  • calcium-cyanamide — noun a compound used as a fertilizer and as a source of nitrogen compounds • Syn: ↑cyanamide • Hypernyms: ↑compound, ↑chemical compound …   Useful english dictionary

  • calcium cyanamide — noun Date: circa 1893 a compound CaCN2 used as a fertilizer and a weed killer and as a source of other nitrogen compounds …   New Collegiate Dictionary

  • calcium cyanamide — CaCN3, used in aquaculture as a pond disinfectant, especially for Myxosoma cerebralis, the cause of whirling disease. Also called lime nitrogen …   Dictionary of ichthyology

  • calcium cyanamide — cal′cium cyan′amide n. chem. a gray black powder, CaCN2, used as a fertilizer and herbicide • Etymology: 1905–10 …   From formal English to slang

  • Cyanamide process — is a process of manufacturing fertilizer calcium cyanamide and ammonia. The reaction runs at high temperatures 1000 1100 °C often with catalyst in mixture of nitrogen and calcium carbide, which form calcium cyanamide and carbon: CaC2 + N2 → CaCN2 …   Wikipedia

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