1-Methyl-2-pyrrolidinone CAS NO.872-50-4

NATURE NATURE It is a clear colourless liquid ( Turns yellow on exposure to heat.) PHYSICAL PROPERTIES Melting Point -…

NATURE NATURE It is a clear colourless liquid ( Turns yellow on exposure to heat.) PHYSICAL PROPERTIES Melting Point -24 °C Empirical Formula C5H9NO Molecular Wt. 99.13 Specific Gravity 1.028 @ 25 °C Refractive Index 1.47 Boiling Point 202 °C @ 760 mm Hg Colour (APHA) Max 50 Solubility in Water Miscible Flash Point 93 °C Flammability Limits L.E.L : 1.3 vol % U.E.L. : 9.5 vol % Stability Stable under ordinary conditions pH 7.5 - 8.0 Autoignition Temperature 270 °C SPECIFICATIONS (Standard Grade) Purity(min) wt % by GC 99.50 Water Content (MAX.) % by KF 0.30 Other Impurities (max) % by GC 0.25 Color Apha(max) 30 SPECIFICATIONS (Ultra Pure Grade) Color Apha(max) 20 Purity(min) wt % by GC 99.85 min Water Content (MAX.) % by KF 0.05 max Other Impurities (max) % by GC 0.10 max