| 英文品名 | PVP K90 |
| CAS 号： | 9003-39-8 |
| 分子式: | (C6H9NO)n |
| 分子量: | 800,000 - |
| 级别： | USP Grade |
| 储运条件： | +4 to +30 |
| 产品介绍： | Specification Appearance White or Yellowish-White Powder Identification PASS K Value 80-97 Moisture ≤ 5.0% pH 3 - 7 N-Vinylpyrrolidone ≤ 0.1% Residue on Ignition ≤ 0.1% Nitrogen 11.5 - 12.8% Heavy Metals (as Pb) ≤ 10 ppm Acetaldehyde ≤ 0.05% Hydrazine ≤ 1.0 ppm Peroxide ≤ 400 ppm |
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