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N-Methylpyrrolidone
Product Name
N-Methylpyrrolidone
Cat.No.
PAP-0334
Particle Size
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Price
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Product Details
Molecular Formula
C5H9NO
Molecular Weight
99.13
Appearance
Colorless to slightly yellow transparent liquid
Grade
Pharmaceutical grade
Description
N-Methylpyrrolidone (NMP, CAS 872-50-4) is a polar aprotic solvent with the molecular formula C₅H₉NO and a molecular weight of 99.13 g/mol. It is a five-membered cyclic amide (lactam) produced industrially and used across diverse fields including electronics, petrochemicals, agrochemicals, and pharmaceuticals.
CAS Number
872-50-4
Stability and Storage Conditions
Stable
Solubility
Ethanol: miscible0.1ML/mL, clear, colorless (10%, v/v)
Storage
Store in a tightly sealed container in a cool, dry, well-ventilated place, protected from light and moisture.
Boiling Point
202 °C (lit.) 81-82 °C/10 mmHg (lit.)
Melting Point
-24 °C (lit.)
Density
1.028 g/mL at 25 °C (lit.)
Applications
NMP is used as a pharmaceutical excipient and solvent.
EC Number
212-828-1
Color
Colorless to light yellow.
MDL number
MFCD00003193
SMILES
CN1CCCC1=O
InChI
1S/C5H9NO/c1-6-4-2-3-5(6)7/h2-4H2,1H3
Water Solubility
Completely miscible with water in all proportions.
InChI Key
SECXISVLQFMRJM-UHFFFAOYSA-N
WGK Germany
1
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