Calcium cyanamide Calcium cyanamide IUPAC name Calcium cyanamide Other names Cyanamide calcium salt, Lime Nitrogen, UN 1403, Nitrolime Identifiers CAS number 156-62-7 Y PubChem 4685067 ChemSpider 10669887 Y UNII ZLR270912W Y EC number 205-861-8 UN number 1403 RTECS number GS6000000 [Ca+2]. InChI=1S/-1-3;/h2H2;/q;+2 Y Key: STRTXDFFNXSZQB-UHFFFAOYSA-N Y InChI=1/-1-3;/h2H2;/q;+2 Key: STRTXDFFNXSZQB-UHFFFAOYAA Properties Molecular formula 2 Molar mass g/mol Appearance White solid (Often gray or black from impurities) Odor Odorless Density g/cm3 Melting point 1340 °C [1] Boiling point 1150-1200 °C (sublim.) Solubility in water Reacts Hazards MSDS ICSC 1639 EU Index 615-017-00-4 EU classification Harmful (Xn) Irritant (Xi) R-phrases R22 R37 R41 S-phrases (S2) S22 S26 S36/37/39 NFPA 704 Flash point Non-flammable pounds pounds Cyanamide Calcium carbide YExcept where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Calcium cyanamide or 2 is a pound used as fertilizer, first synthesized in 1898 by Adolph Frank and Nikodem Caro (Frank-Caro process). It is formed when calcium carbide reacts with nitrogen. It mercially known as Nitrolim. CaC2 + N2 → 2 + C The reaction takes place in large steel chambers. An electric carbon element heats the reactants
