... do weedicide,sterilizing agent,insecticide,cotton defoliant,dcda e Calcium cyanamideChemical name: Calcium cyanamideMolecular formula: CaCN2Molecular weight: 80.1044Physical and ... max0.230.51.0Residue after sieving sieve(850um) %<0.40Uses: Calcium cyanamide may be used as fertilizer. weedicide, sterilizing agent, ... layer painted with pitch).Net weight is 25KGs/bag. Calcium cyanamide CAS NO.:156-62-7