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Appearance:Liquid
Throughput:100|Kilogram|Day
pd_productuse:intermediate
Delivery Time:instock
Purity:99.9
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
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