| M | 99.13 |
|---|---|
| D | 1.03 |
| b.p | 204 °C |
| m.p | -24 °C |
| Color (APHA, Pt-Co) | max. 15 |
|---|---|
| Assay (GC, on anhydrous basis) | min. 99.8% |
| Residue after evaporation | max. 0.0005%w/w |
| Water (KF) | max. 0.03%w/w |
| Alkalinity (as CH3NH2) | max. 0.004% |
| Chloride (Cl) | max. 0.5ppm |
| Nitrate (NO3) | max. 0.5ppm |
| Phosphate (PO4) | max. 0.5ppm |
| Dilution test | Passes test |
| Ag (Silver) | max. 0.5ppb |
| Al (Aluminum) | max. 1ppb |
| As (Arsenic) | max. 1ppb |
| Au (Gold) | max. 1ppb |
| B (Boron) | max. 0.5ppb |
| Ba (Barium) | max. 1ppb |
| Be (Beryllium) | max. 1ppb |
| Ca (Calcium) | max. 1ppb |
| Cd (Cadmium) | max. 1ppb |
| Co (Cobalt) | max. 1ppb |
| Cr (Chromium) | max. 1ppb |
| Cu (Copper) | max. 1ppb |
| Fe (Iron) | max. 1ppb |
| Ga (Gallium) | max. 0.5ppb |
| K (Potassium) | max. 1ppb |
| Li (Lithium) | max. 1ppb |
| Mg (Magnesium) | max. 0.5ppb |
| Mn (Manganese) | max. 0.5ppb |
| Mo (Molybdenum) | max. 0.5ppb |
| Na (Sodium) | max. 1ppb |
| Nb (Niobium) | max. 0.5ppb |
| Ni (Nickel) | max. 1ppb |
| Pb (lead) | max. 1ppb |
| Sb (Antimony) | max. 1ppb |
| Si (Silicon) | max. 1ppb |
| Sn (Tin) | max. 1ppb |
| Sr (Strontium) | max. 0.5ppb |
| Ti (Titanium) | max. 1ppb |
| V (Vanadium) | max. 1ppb |
| Zn (Zinc) | max. 1ppb |
| Particle count > 0.5um | max. 30P/ml |
| Particle count > 1.0um | max. 8P/ml |
| Synonym : 1-Methyl-2-pyrrolidone, NMP |
| Formula : C5H9NO |
| CAS : 872-50-4 |
| EC : 212-828-1 |
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