1-Methyl-2-pyrrolidinone

Superiority:

Product Name:    1-Methyl-2-pyrrolidinone

CAS:    872-50-4
MF:    C5H9NO
MW:    99.13
EINECS:    212-828-1

Mol File:    872-50-4.mol
1-Methyl-2-pyrrolidinone Structure
1-Methyl-2-pyrrolidinone Chemical Properties
Melting point     -24 °C (lit.)
Boiling point     202 °C (lit.) 81-82 °C/10 mmHg (lit.)
density     1.028 g/mL at 25 °C (lit.)
vapor density     3.4 (vs air)
vapor pressure     0.29 mm Hg ( 20 °C)
refractive index     n20/D 1.479
Fp     187 °F
storage temp.     2-8°C
solubility     ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)
form     Liquid
pka    -0.41±0.20(Predicted)
color     ≤20(APHA)
Odor    Slight amine odor
PH    8.5-10.0 (100g/l, H2O, 20℃)
PH Range    7.7 - 8.0
explosive limit    1.3-9.5%(V)
Water Solubility     >=10 g/100 mL at 20 ºC
λmax    283nm(MeOH)(lit.)
Sensitive     Hygroscopic
Merck     14,6117
BRN     106420
Stability:    Stable, but decomposes upon exposure to light. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases.
InChIKey    SECXISVLQFMRJM-UHFFFAOYSA-N
CAS DataBase Reference    872-50-4(CAS DataBase Reference)
NIST Chemistry Reference    2-Pyrrolidinone, 1-methyl-(872-50-4)
EPA Substance Registry System    N-Methyl-2-pyrrolidone (872-50-4)
Safety Information
Hazard Codes     T,Xi
Risk Statements     45-65-36/38-36/37/38-61-10-46
Safety Statements     41-45-53-62-26
WGK Germany     1
RTECS     UY5790000
F     3-8-10
Autoignition Temperature    518 °F
TSCA     Y
HS Code     2933199090
Hazardous Substances Data    872-50-4(Hazardous Substances Data)
Toxicity    LD50 orally in Rabbit: 3598 mg/kg LD50 dermal Rabbit 8000 mg/kg