... be do weedicide,sterilizing agent,insecticide,cotton defoliant,dcda Calcium cyanamideChemical name: Calcium cyanamideMolecular formula: CaCN2Molecular weight: 80.1044Physical and ... .230.51.0Residue after sieving sieve(850um) %<0.40Uses: Calcium cyanamide may be used as fertilizer. weedicide, sterilizing agent, ... painted with pitch).Net weight is 25KGs/bag. Calcium cyanamide powder CAS NO:7783-20-2