Synonyms: 1-Methyl-2-pyrrolidone; N-Methyl-2-pyrrolidone; NMP
Formula: C5H9NO
Formula Weight: 99.13
CAS No.: 872-50-4
Purity: ≥99%
Density: 1.028 g/mL at 25 °C(lit.)
Packaging: 1, 2, 4 x 4 L in glass bottle
Packaging: 100 mL in glass bottle
Packaging: 20 L in Nowpak™
λ: H2O reference
Assay: ≥99%
Autoignition Temp.: 518°F
BP: 202°C(lit.)
Color: APHA: ≤10
Density: 1.028 g/mL at 25°C(lit.)
Expl. Lim.: 9.5 %
Grade: for HPLC
Impurities: <0.050% water
MP: −24°C(lit.)
Purified By: glass distillation
Refractive Index: n20/D 1.47(lit.)
UV Absorption: λ: 325 nm Amax: 0.10
Vapor Density: 3.4 (vs air)
Vapor Pressure: 0.29 mmHg ( 20°C)