N-Methyl-2-pyrrolidone
Products Description of N-Methyl-2-pyrrolidoneCAS#872-50-4
NMP – high-performance polar aprotic solvent! Low toxicity, high boiling point, excellent solubility/selectivity/stability. Widely used in aromatics extraction, Li-ion battery electrodes, PVDF solvent, electronics cleaning, polymer synthesis, pesticides/medicines, etc. Grade-specific main uses listed below.
Parameters
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. | Store at +5°C to +30°C. |
solubility | ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v) |
form | Liquid |
pka | -0.41±0.20(Predicted) |
color | ≤20(APHA) |
PH | 8.5-10.0 (100g/l, H2O, 20℃) |
Odor | Slight amine odor |
PH Range | 7.7 - 8.0 |
explosive limit | 1.3-9.5%(V) |
Water Solubility | >=10 g/100 mL at 20 ºC |
Sensitive | Hygroscopic |
λmax | 283nm(MeOH)(lit.) |
Merck | 14,6117 |
BRN | 106420 |
Dielectric constant | 32.200000000000003 |
Stability: | Stable, but decomposes upon exposure to light. Combustible. Incompatible with strong oxidizing agents, strong acids, reducing agents, bases. |
InChIKey | SECXISVLQFMRJM-UHFFFAOYSA-N |
LogP | -0.46 at 25℃ |
Surface tension | 41.3mN/m at 293.15K |
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 | Xn,N |
Risk Statements | 22-40-41-43-50-68-R68-R50-R43-R41-R40-R22 |
Safety Statements | 26-36/37/39-61-S61-S36/37/39-S26 |
RIDADR | 2662 |
WGK Germany | 3 |
RTECS | MX3500000 |
Autoignition Temperature | 930 °F |
TSCA | Yes |
HazardClass | 9 |
PackingGroup | III |
HS Code | 29072210 |
Hazardous Substances Data | 123-31-9(Hazardous Substances Data) |
Toxicity | LD50 orally in rats: 320 mg/kg (Woodard) |
IDLA | 50 mg/m3 |
Products Description of N-Methyl-2-pyrrolidoneCAS#872-50-4
Pyrrole, Organic solvents, Pharmaceutical intermediates, Organic/chemical/medical raw materials, Heterocyclic building blocks, Ultra-dry/chromatography/basic chemical solvents, Food additives, Gas chromatography standards (color scale), CE reagents, Dye intermediates, Ketones
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Fast delivery time
Inventory 2-3 working days New production 7-10 working days
