C5H9NO
N-Methyl-2-Pyrrolidone Peptide synthesis
Peptide synthesis grade N-Methyl-2-pyrrolidone with low water content (max. 0.02%) and low amine content (max. 0.001%). For better shelf life, Peptide synthesis grade N-Methyl-2-pyrrolidone is filtered through 0.4µm and bottled under inert gas.
Main Properties
| M | 99.13 |
|---|
| D | 1.03 |
|---|
| b.p | 204 °C |
|---|
| m.p | -24 °C |
|---|
Product Specification
| Clear colorless liquid |
Complying |
| Color (APHA Pt-Co) |
<= 10 |
| Free Amines (Kaiser) |
<= 0.001% |
| Assay (GC on anhydrous basis) |
>= 99.5% |
| Residue after evaporation |
<= 0.002%w/w |
| Water (KF) |
<= 0.02%w/w |
| Iron (Fe) |
<= 0.1ppm |
| Magnesium (Mg) |
<= 0.1ppm |
| Lead (Pb) |
<= 0.1ppm |
| Zinc (Zn) |
<= 0.1ppm |
