Name | Specifications | Packing | Price | Delivery |
1-Methyl-2-pyrrolidinone | AR | 500ml | RMB 85.8 | Consulting service |
1-Methyl-2-pyrrolidinone | HPLC, ≥99% | 500ml | RMB 115.5 | Consulting service |
1-Methyl-2-pyrrolidinone | HPLC, ≥99% | 4L | RMB 652.3 | Consulting service |
1-Methyl-2-pyrrolidinone | AR | 2.5L | RMB 242 | Consulting service |
1-Methyl-2-pyrrolidinone | CP | 500ml | RMB 49.5 | Consulting service |
1-Methyl-2-pyrrolidinone | 電子級,99.9% | 20kg | RMB 2183.5 | Consulting service |
1-Methyl-2-pyrrolidinone | 電子級,99.9% | 500ml | RMB 115.5 | Consulting service |
1-Methyl-2-pyrrolidinone | GCS,>99.9%(GC) | 5ml | RMB 64.9 | 現(xiàn)貨 |
1-Methyl-2-pyrrolidinone | GR | 500ml | RMB 132 | Consulting service |
1-Methyl-2-pyrrolidinone | GR | 20kg | RMB 2073.5 | Consulting service |
1-Methyl-2-pyrrolidinone | 用于多肽合成, ≥99.5% (GC) | 1L | RMB 539 | Consulting service |
1-Methyl-2-pyrrolidinone | 分析標準品 | 5ml | RMB 429 | 現(xiàn)貨 |
項目 優(yōu)級純
(GR)
外觀Appearance 無色液體
純度Purity ≥99.5% (GC)
水分Water <0.02 % (K.F.)
游離胺Free amine <0.001 %
項目 色譜純
(HPLC級)
純度Purity >99.5% (GC)
紫外吸收值UV Absorbance: (λ H2O reference )
Wavelength (nm) Max. Absorbance
285 nm ≤1.00
300nm ≤0.500
325nm ≤0.100
350nm ≤0.030
400nm ≤0.010
折光率Refractive index n20/D 1.4700 ± 0.0020
水分Water <0.05%
(For HPLC, GC, and spectrophotometry. Packaged under nitrogen. UV cutoff at 235nm)
項目 電子級
含量 % ≥99.90
色度Hazen ≤25
總二醇量ppm ≤20
總胺量 ppm ≤20
水分 % ≤0.03
氯離子ppm ≤0.50
磷酸鹽ppm ≤0.50
硫酸鹽ppm ≤0.50
硝酸鹽 ppm ≤0.50
鋰 ppb ≤10
鈉 ppb ≤10
鎂 ppb ≤10
鋁 ppb ≤10
鉀 ppb ≤10
鈣 ppb ≤10
鉻 ppb ≤10
錳 ppb ≤10
鐵 ppb ≤10
鎳 ppb ≤10
鈷 ppb ≤10
銅 ppb ≤10
鋅 ppb ≤10
鉬 ppb ≤10
鎘 ppb ≤10
鉛 ppb ≤10
銀 ppb ≤10
品級Grade 用于多肽合成
(for peptide synthesis)
純度Purity ≥99.5% (GC)
水分water ≤0.03%
胺試驗suitability for amine test pass
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