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    3. N-甲基吡咯烷酮(NMP)

      weituo chemical

      化學(xué)名稱(chēng):N-甲基吡咯烷酮、1-甲基-2-吡咯烷酮、N-甲基-2-吡咯烷酮

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

      CAS NO:872-50-4

      分子式 Molecular Formula:C5H9NO

      分子量 Molecular Weight:99.134

      折光率 Refractive Index(nD20):1.465-1.475

      熔點(diǎn) Melting Point:-23.6℃

      閃點(diǎn)(閉杯)Flash point (closed cup)/20℃:89℃

      粘度 Viscosity (20℃,mPas):1.796

      沸點(diǎn) Boiling Point:202℃

      折光率 Refractive Index(nD20):1.465-1.475

       

      分析項目

      Items

      微電級

      Micro-electronic Grade

      電子級

      Electronic Grade

      醫藥級

      Pharmaceutical Grade

      工業(yè)級

      Industrial Grade

      純度Purity(wt%,GC)

      ≥99.90

      ≥99.85

      ≥99.80

      ≥99.50

      水份Moisture(wt%,K.F.)

      ≤0.01

      ≤0.03

      ≤0.05

      ≤0.05

      密度密度Density(g/cm³,20℃)

      1.026-1.036

      1.026-1.036

      1.026-1.036

      1.026-1.036

      色度Color(APHA,Hazen)

      ≤10

      ≤10

      ≤20

      ≤30

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