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    3. Products Detail

      weituo chemical

      N-Methyl-Pyrrolidone、1-Methyl-2-Pyrrolidone、N-Methyl-2-Pyrrolidone

      Chemical Name:N-Methyl-Pyrrolidone、1-Methyl-2-Pyrrolidone、N-Methyl-2-Pyrrolidone

      CAS NO:872-50-4

      Molecular Formula:C5H9NO

      Molecular Weight:99.134

      Refractive Index(nD20):1.465-1.475

      Melting Point:-23.6℃

      Flash point (closed cup)/20℃:89℃

      Viscosity (20℃,mPas):1.796

      Boiling Point:202℃

      Refractive Index(nD20):1.465-1.475

       

      Items

      Micro-electronic Grade

      Electronic Grade

      Pharmaceutical Grade

      Industrial Grade

      Purity(wt%,GC)

      ≥99.90

      ≥99.85

      ≥99.80

      ≥99.50

      Moisture(wt%,K.F.)

      ≤0.01

      ≤0.03

      ≤0.05

      ≤0.05

      Density(g/cm³,20℃)

      1.026-1.036

      1.026-1.036

      1.026-1.036

      1.026-1.036

      Color(APHA,Hazen)

      ≤10

      ≤10

      ≤20

      ≤30

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