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    3. N-乙烯基吡咯烷酮(NVP)

      weituo chemical

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

      Chemical Name: N-vinylpyrrolidone、1-Vinyl-2-pyrrolidinone

      CAS NO:88-12-0

      分子式 Molecular Formula:C6H9NO

      分子量 Molecular Weight: 111.14

      閃點(diǎn)(閉杯)Flash point (closed cup)/20℃98℃

      折光率 Refractive Index(nD20):1.5080--1.5140

      沸點(diǎn) Boiling Point:148℃

       

      分析項目

      Items

      優(yōu)等品 

      Top Grade

      一等品

      First Grade

      合格品 

      Qualified Grade

      純度Purity(wt%,GC)

      ≥99.8

      ≥99.5

      ≥99

      水份Moisture(wt%,K.F.)

      ≤0.05

      ≤0.1

      ≤0.3

      色度Color(APHA,Hazen)

      ≤20

      ≤20

      ≤30

      密度Density(g/cm³,20℃)

      1.030-1.050

      1.030-1.050

      1.030-1.050

      2-吡咯烷酮2-P(%)

      ≤0.1

      ≤0.15

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