China N-Methyl Pyrrolidone Fengda 99.9% Min Factory Supply C5h9no 872-50-4 N-Methyl Pyrrolidone NMP, Find details about China N-Methylpyrrolidinone, Pharmasolve from N-Methyl Pyrrolidone Fengda 99.9% Min Factory Supply C5h9no 872-50-4 N-Methyl Pyrrolidone NMP
Items | Electronic | Pharmaceutical | Industrial |
Purity (GC, wt%) ≥ | 99.90 | 99.80 | 99.50 |
Water (K.F., wt%) ≤ | 0.02 | 0.03 | 0.05 |
Chroma (Hazen, APHA) ≤ | 10 | 20 | 25 |
Density (D420, g/ml) | 1.026 ~ 1.036 | ||
PH value (20ºC) 50% | 6.5 ~ 9.0 | ------- | -------- |