DEP(C7H13N) Chemical name: diethylaminopropyne CAS. NO. : 4079-68-9 Assay: 95%(min.) Appearance: colorless to yellowish transparent liquid PH value: approx. 7 Solubility: insoluble in water and soluble in acid Density(20癈): 0.80-0.82 Level of addition: 1-10(mg/l)Consumption: 1.5(g/KAH)Application: brightener and strong leveling agent for nickel plating Characteristics: As insoluble in water, it must be reacted with acid,and then be used in the bath.