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
| Appearance | Clear colorless liquid |
|---|
| Color (APHA, Pt-Co) | max. 10 |
|---|
| Free Amines (Kaiser) | max. 0.001% |
|---|
| Assay (GC, on anhydrous basis) | min. 99.5% |
|---|
| Residue after evaporation | max. 0.002%w/w |
|---|
| Water (KF) | max. 0.02%w/w |
|---|
| Fe (Iron) | max. 0.1ppm |
|---|
| Mg (Magnesium) | max. 0.1ppm |
|---|
| Pb (Lead) | max. 0.1ppm |
|---|
| Zn (Zinc) | max. 0.1ppm |
|---|
