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Title:Carbohydrazide(1,3-Diaminourea) crystal CAS No.497-18-7 Carbohydrazide boiler deoxidizer CAS No.497-18-7 Product Keyword:Carbohydrazide, 1,3-Diaminourea,boiler deoxidizer,CAS No.497-18-7 CAS No.:497-18-7 EINECS No.: 207-837-2