Name | Specifications | Packing | Price | Delivery |
N-Ethylmaleimide | 98% | 1g | RMB 107.8 | Consulting service |
N-Ethylmaleimide | 98% | 5g | RMB 299.2 | Consulting service |
N-Ethylmaleimide | 98% | 25g | RMB 935 | Consulting service |
N-Ethylmaleimide | 超纯级,99.0% | 1g | RMB 209 | Consulting service |
N-Ethylmaleimide | 超纯级,99.0% | 5g | RMB 649 | Consulting service |
N-Ethylmaleimide | 超纯级,99.0% | 25g | RMB 2189 | Consulting service |
超纯级,99.5%:
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry 符合
纯度Purity ≥99.5% (HPLC)
不溶物insoluble matter, passes filter test
灼烧残渣ign. residue ≤0.05%
熔点Melting point 43°C - 48°C
水溶性solubility methanol: soluble1 M at 20 °C, clear, colorless
anion traces by ICP Atomic emission
氯chloride (Cl-): ≤50 ppm
硫酸根sulfate (SO42-): ≤100 ppm
cation traces by by ICP Atomic emission
Al: ≤5 ppm
Ba: ≤5 ppm
Bi: ≤5 ppm
Ca: ≤10 ppm
Cd: ≤5 ppm
Co: ≤5 ppm
Cr: ≤5 ppm
Cu: ≤5 ppm
Fe: ≤5 ppm
K: ≤50 ppm
Li: ≤5 ppm
Mg: ≤5 ppm
Mn: ≤5 ppm
Mo: ≤5 ppm
Na: ≤50 ppm
Ni: ≤5 ppm
Pb: ≤5 ppm
Sr: ≤5 ppm
Zn: ≤5 ppm
abs. absorption1M/382 nm, methanol cut-off
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