China High Purity N-Ethyl-2-Pyrrolidone (NEP) , Intermediate, Coloreless Liquid, Find details about China 1-Ethyl-2-Pyrrolidinon;, 2-Pyrrolidinone from High Purity N-Ethyl-2-Pyrrolidone (NEP) , Intermediate, Coloreless Liquid
Item | Quality Index | Analysis method | Remark |
Appearance | Light yellow powder | Visual | |
Purity (Dry basis % m/m) | 99.5% Min | UOP608 | |
Density (30˚C kg/m3) | 1260-1270 | ASTMD4052 | Should be corrected by water |
5% Distil off temperature ˚C | 282 Min | ASTMD1078 | |
95% Distil off temperature ˚C | 288 Max | ASTMD1078 | |
Thermal stability MgSO2/kg | 16 Max | UOP599 | |
Sulphur content % m/m | 26-27 | ASTMD129 | Should be corrected by water |
2-sulfolene | 0.2 Max | UOP608 |