Name | 5-methyl-2-pyrrolidinone |
Synonyms | Methylpyrrolidone 5-METHYLBUTYROLACTAM 5-Methyl-2-pyrrolidone 5-METHYL-2-PYRROLIDONE 5-methylpyrrolidin-2-one 5-methyl-2-pyrrolidinone 5-METHYL-2-PYRROLIDINONE 2-Pyrrolidinone,5-methyl- 2-Pyrrolidinone, 5-methyl- (5R)-5-methylpyrrolidin-2-one 2-Pyrrolidinone,5-methyl-,(±)- 5-Methyl-1-azacyclopentan-2-one (R,S)-5-Methyl-pyrrolidin-2-one |
CAS | 108-27-0 |
EINECS | 203-566-9 |
InChI | InChI=1/C5H9NO/c1-4-2-3-5(7)6-4/h4H,2-3H2,1H3,(H,6,7)/t4-/m1/s1 |
Molecular Formula | C5H9NO |
Molar Mass | 99.13 |
Density | 1.0458 |
Melting Point | 41-43°C(lit.) |
Boling Point | 248°C(lit.) |
Flash Point | >230°F |
Vapor Presure | 0.0377mmHg at 25°C |
Appearance | powder to lump to clear liquid |
Color | White or Colorless to Light yellow |
pKa | 16.68±0.40(Predicted) |
Storage Condition | 2-8°C |
Refractive Index | 1.4431 (estimate) |
MDL | MFCD00005273 |
Hazard Symbols | Xi - Irritant |
Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
WGK Germany | 3 |