Low Water Content
Suggested Applications: Biosynthesis, Applications requiring low water content
Synonyms: NMP, N-Methyl-2-pyrrolidone, N-Methyl-2-pyrrolidinone
Structural Formula: C5H9NO
CAS number: 872-50-4
Hazard Class: Non-regulated
Package Group: Non-regulated
UN number: Non-regulated
Specifications
Amines (as dimethylamine): 3 ppm max.
GC Analysis: 99.5% min.
Refractive Index (20°C): 1.4680 - 1.4720
Residue: 5 mg/L max.
UV Absorbance @ 300 nm: 0.500 AU max.
UV Absorbance @ 325 nm: 0.100 AU max.
UV Absorbance @ 350 nm: 0.030 AU max.
UV Absorbance @ 400 nm: 0.010 AU max.
Water by Karl Fischer Titration: 200 ppm max.
Physical Properties
Density (g/mL) at 20°C: 1.0304
Molecular Weight: 99.13
Boiling Point (°C): 202.0
Freezing Point (°C): -24.4
Flashpoint (°C): 86
Viscosity (cP) at 25°C: 1.67