Acetonitrile

1.Acetonitrile Technical grade Items Specification Results Content >= 99.9% 99.96% Chroma Pt-Co <=10 5 Density20.Cg/cm3 0.780-0.785 0.783 Acidacetic acid <=0.005% 0.0015% Ammonia <=0.0006% 0.00005% Hydrocyanic acid <=0.001% 0.00025% Acetone <=0.005% 0.005% Acrylonitrile <=0.0025% 0.0005% Propionitrile <=0.063% 0.02% Fe m/m <=0.00005% 0.000002% Cu m/m <=0.00005% 0.000003% Water <=0.03% 0.0021% CONCLUSION: Confirms with the Standard Analyst: Checker: Supervisor: 2.Acetonitrile HPLC grade Items Standard Results Appearance Clear colorless Clear colorless Assay(by GC) >= 99.9% >= 99.9% Color(APHA) <=10 5 Water(by KF) mg/kg <=100 36 Residue after Evaporation mg/kg <=2.0 0.2 Titratable Acid meq/g <=0.0008% 0.0002% Titratable Base meq/g <=0.0006% 0.0001% UV Absorbance(1.00-cm cell vs.water) At190nm <=1.00 0.4151 At200nm <=0.05 0.0143 At210nm <=0.03 0.0104 At220nm <=0.01 0.0086 At254nm <=0.005 0.0007 Gradient Elution P.T P.T Fluorescence trace impurities P.T P.T Density25.C g/ml 0.775-0.780 0.778 Distillation range 81-82 81-82 Refractive index(25C) 1.344 1.344 CONCLUSION: Confirms with the Standard Analyst: Checker: Supervisor: